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Document And Entity Information - shares	6 Months Ended
Document And Entity Information - shares	Jun. 30, 2015	Jul. 31, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	GREEN DOT CORP
Trading Symbol	GDOT
Entity Central Index Key	0001386278
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		52,075,449

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Unrestricted cash and cash equivalents	$ 763,870	$ 724,158
Federal funds sold	481	480
Restricted cash	4,665	2,015
Investment securities available-for-sale, at fair value	76,746	46,650
Settlement assets	46,855	148,694
Accounts receivable, net	23,193	48,917
Prepaid expenses and other assets	30,142	23,992
Income tax receivable	0	16,290
Total current assets	945,952	1,011,196
Restricted cash	2,182	2,152
Investment securities, available-for-sale, at fair value	122,433	73,781
Loans to bank customers, net of allowance for loan losses of $377 and $444 as of June 30, 2015 and December 31, 2014, respectively	6,451	6,550
Prepaid expenses and other assets	11,052	11,883
Property and equipment, net	76,705	77,284
Deferred expenses	7,805	17,326
Net deferred tax assets	8,557	6,268
Goodwill and intangible assets	484,383	417,200
Total assets	1,665,520	1,623,640
Current liabilities:
Accounts payable	19,729	36,444
Deposits	608,081	565,401
Obligations to customers	55,321	98,052
Settlement obligations	4,300	4,484
Amounts due to card issuing banks for overdrawn accounts	1,721	1,224
Other accrued liabilities	69,901	79,137
Deferred revenue	13,749	24,418
Note payable	22,500	22,500
Income tax payable	11,213	0
Net deferred tax liabilities	4,253	3,995
Total current liabilities	810,768	835,655
Other accrued liabilities	40,254	31,495
Note payable	116,250	127,500
Total liabilities	967,272	994,650
Commitments and contingencies
Stockholders’ equity:
Additional paid-in capital	408,522	383,296
Retained earnings	290,002	245,693
Accumulated other comprehensive loss	(330)	(52)
Total stockholders’ equity	698,248	628,990
Total liabilities and stockholders’ equity	1,665,520	1,623,640
Convertible Series A preferred stock [Member]
Stockholders’ equity:
Convertible Series A preferred stock, $0.001 par value (as converted): 10 shares authorized as of June 30, 2015 and December 31, 2014; 2 shares issued and outstanding as of June 30, 2015 and December 31, 2014, respectively	2	2
Common Class A [Member]
Stockholders’ equity:
Class A common stock, $0.001 par value: 100,000 shares authorized as of June 30, 2015 and December 31, 2014; 51,911 and 51,146 shares issued and outstanding as of June 30, 2015 and December 31, 2014, respectively	$ 52	$ 51

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Allowance For Loan Losses	$ 377	$ 444
Convertible Series A preferred stock [Member]
Convertible Series A Preferred Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible Series A Preferred Stock, shares authorized	10,000	10,000
Convertible Series A Preferred Stock, Shares Issued	2,000	2,000
Convertible Series A Preferred Stock, Shares Outstanding	2,000	2,000
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	51,911,000	51,146,000
Common stock, shares outstanding	51,911,000	51,146,000

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Operating revenues:
Card revenues and other fees	$ 83,810	$ 60,892	$ 171,034	$ 129,059
Processing and settlement service revenues	39,416	45,491	126,537	91,767
Interchange revenues	47,635	42,655	102,361	89,869
Stock-based retailer incentive compensation	(614)	(2,022)	(2,520)	(4,410)
Total operating revenues	170,247	147,016	397,412	306,285
Total operating revenues
Sales and marketing expenses	55,845	57,200	117,124	117,443
Compensation and benefits expenses	41,461	30,215	82,815	57,178
Processing expenses	27,120	17,285	57,720	39,364
Other general and administrative expenses	38,903	20,584	66,939	46,908
Total operating expenses	163,329	125,284	324,598	260,893
Operating income	6,918	21,732	72,814	45,392
Interest income	1,118	1,039	2,496	2,016
Interest expense	(1,549)	(29)	(3,045)	(45)
Income before income taxes	6,487	22,742	72,265	47,363
Income tax expense	2,991	8,399	27,956	17,715
Net income	3,496	14,343	44,309	29,648
Income attributable to preferred stock	(99)	(1,703)	(1,263)	(3,966)
Net income available to common stockholders	$ 3,397	$ 12,640	$ 43,046	$ 25,682
Basic earnings per common share (in dollars per share)	$ 0.07	$ 0.32	$ 0.83	$ 0.66
Diluted earnings per common share (in dollars per share)	$ 0.06	$ 0.31	$ 0.83	$ 0.64
Basic weighted-average common shares issued and outstanding (shares)	51,811	39,394	51,631	38,433
Diluted weighted-average common shares issued and outstanding (shares)	52,275	40,052	52,104	39,466

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 3,496	$ 14,343	$ 44,309	$ 29,648
Other comprehensive income
Unrealized holding (loss) gain, net of tax	(363)	53	(278)	90
Comprehensive income	$ 3,133	$ 14,396	$ 44,031	$ 29,738

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities
Net income	$ 44,309	$ 29,648
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization of property and equipment	18,478	15,557
Amortization of intangible assets	11,209	0
Provision for uncollectible overdrawn accounts	31,566	16,059
Employee stock-based compensation	11,623	8,686
Stock-based retailer incentive compensation	2,520	4,410
Amortization of premium on available-for-sale investment securities	508	538
Change in fair value of contingent consideration	(7,516)	0
Impairment of capitalized software	4,997	0
Amortization of deferred financing costs	767	0
Deferred income tax expense	12	0
Changes in operating assets and liabilities:
Accounts receivable, net	(3,765)	3,458
Prepaid expenses and other assets	(3,417)	1,983
Deferred expenses	9,521	6,372
Accounts payable and other accrued liabilities	(19,898)	(16,328)
Amounts due to card issuing banks for overdrawn accounts	497	(49,391)
Deferred revenue	(10,719)	(10,394)
Income tax payable/receivable	27,424	13,960
Other, net	56	(49)
Net cash provided by operating activities	118,172	24,509
Investing activities
Purchases of available-for-sale investment securities	(126,036)	(93,388)
Proceeds from maturities of available-for-sale securities	33,531	83,263
Proceeds from sales of available-for-sale securities	12,935	38,109
Increase in restricted cash	(1,253)	(601)
Payments for acquisition of property and equipment	(25,042)	(14,096)
Net decrease in loans	99	222
Acquisition, net of cash acquired	(65,209)	(14,860)
Net cash used in investing activities	(170,975)	(1,351)
Financing activities
Repayments of borrowings from note payable	(11,250)	0
Borrowings on revolving line of credit	30,001	0
Repayments on revolving line of credit	(30,001)	0
Proceeds from exercise of options	798	3,348
Excess tax benefits from exercise of options	27	3,563
Net increase in deposits	42,680	240,014
Net increase (decrease) in obligations to customers	60,929	(13,693)
Contingent consideration payments	(668)	0
Net cash provided by financing activities	92,516	233,232
Net increase in unrestricted cash, cash equivalents, and federal funds sold	39,713	256,390
Unrestricted cash, cash equivalents, and federal funds sold, beginning of year	724,638	423,621
Unrestricted cash, cash equivalents, and federal funds sold, end of period	764,351	680,011
Cash paid for interest	2,278	46
Cash paid for income taxes	$ 891	$ 219

Organization	6 Months Ended
Organization	Jun. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization Green Dot Corporation (“we,” “us” and “our” refer to Green Dot Corporation and its wholly-owned subsidiaries) is a pro-consumer technology innovator with a mission to reinvent personal banking for the masses. Our products and services include: Green Dot MasterCard and Visa-branded prepaid debit cards and several co-branded reloadable prepaid card programs, collectively referred to as our GPR cards; Visa-branded gift cards; checking account products, such as GoBank, an innovative checking account developed for use via mobile phones that is available at Walmart and online; our swipe reload proprietary products referred to as our cash transfer products, which enable cash loading and transfer services through our Green Dot Network; and tax refund processing services designed to facilitate the secure receipt of funds claimed by a taxpayer as a refund on a taxpayer's tax return. Our products and services are available to consumers through a large-scale "branchless bank" distribution network of more than 100,000 U.S. locations, including retailers, neighborhood financial service center locations and tax preparation offices, as well as online, in the leading app stores and through leading online tax preparation providers. The Green Dot Network enables consumers to use cash to reload our prepaid debit cards or to transfer cash to any of our Green Dot Network acceptance members, including competing prepaid card programs and other online accounts. We are also the tax refund processing service provider for four out of the six leading consumer online and in-person tax preparation companies. We market our products and services to consumers in the United States. Our prepaid debit cards are issued by our wholly-owned subsidiary, Green Dot Bank and third-party issuing banks including The Bancorp Bank and Sunrise Banks, N.A. We also have multi-year distribution arrangements with many large and medium-sized retailers, such as Walmart, Walgreens, CVS, Rite Aid, 7-Eleven, Kroger, Kmart, and Dollar Tree, and with various industry resellers, such as Blackhawk Network and Incomm. We refer to participating retailers collectively as our “retail distributors.” Our tax refund processing services are integrated into the offerings of the nation’s leading tax software companies, which, together, enable us to serve approximately 25,000 independent online and in-person tax preparers and accountants nationwide. In January 2015, we completed the acquisition of AccountNow, Inc. We issued approximately 514,000 shares of our Class A common stock on the date of close and the remainder of the consideration was paid in cash. AccountNow's results of operations are included in our consolidated statements of operations following the acquisition date. We have not presented pro-forma results of operations because the effect of this acquisition was not material to our financial results. Of the total consideration transferred, we made a preliminary allocation of $61.6 million and $16.1 million to goodwill and intangible assets, respectively. We may adjust this allocation after obtaining more information regarding, among other things, asset valuations, liabilities assumed, and revisions to preliminary estimates over the measurement period not to exceed 12 months from the date of acquisition.

Summary of Significant Accounting Policies	6 Months Ended
Summary of Significant Accounting Policies	Jun. 30, 2015
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of Presentation The accompanying unaudited consolidated financial statements are prepared in accordance with generally accepted accounting principles in the United States of America, or GAAP. We consolidated our wholly-owned subsidiaries and eliminated all significant intercompany balances and transactions. We have also prepared the accompanying unaudited consolidated financial statements in conformity with the instructions to Form 10-Q and Article 10 of Regulation S-X and, consequently, they do not include all of the annual disclosures required by GAAP. Reference is made to our Annual Report on Form 10-K for the year ended December 31, 2014 for additional disclosures, including a summary of our significant accounting policies. There have been no changes to our significant accounting policies during the six months ended June 30, 2015. In our opinion, the accompanying unaudited consolidated financial statements contain all adjustments, consisting of normal and recurring items, except as otherwise noted, necessary for the fair presentation of our financial position, results of operations and cash flows for the interim periods presented. Recent Accounting Pronouncements In April 2015, the FASB issued ASU No. 2015-05, Customer's Accounting for Fees Paid in a Cloud Computing Arrangement ("ASU 2015-05"). This ASU provides guidance to customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The new guidance does not change the accounting for service contracts. Note 2—Summary of Significant Accounting Policies (continued) ASU 2015-05 is effective for interim and annual reporting periods beginning after December 15, 2015. We are currently evaluating the provisions of the ASU to determine the potential impact the new standard will have on our consolidated financial statements. In April 2015, the FASB issued ASU No. 2015-03, Simplifying the Presentation of Debt Issuance Costs ("ASU 2015-03") which changes the presentation of debt issuance costs in financial statements. ASU 2015-03 requires an entity to present such costs in the balance sheet as a direct deduction from the related debt liability rather than as an asset. Amortization of the costs will continue to be reported as interest expense. The ASU is effective for annual reporting periods beginning after December 15, 2015, with early adoption permitted. The new guidance will be applied retrospectively to each prior period presented. We are currently in the process of evaluating the impact of adoption of the ASU on our consolidated balance sheets. In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers ("ASU 2014-09"), which supersedes nearly all existing revenue recognition guidance under GAAP. The core principle of ASU 2014-09 is to recognize revenues when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services. ASU 2014-09 defines a five step process to achieve this core principle and, in doing so, more judgment and estimates may be required within the revenue recognition process than are required under existing GAAP. In July 2015, the FASB voted to defer the effective date of ASU 2014-09 by one year, making the standard effective for annual periods beginning after December 15, 2017, and interim periods therein, using either of the following transition methods: (i) a full retrospective approach reflecting the application of the standard in each prior reporting period with the option to elect certain practical expedients, or (ii) a retrospective approach with the cumulative effect of initially adopting ASU 2014-09 recognized at the date of adoption (which includes additional footnote disclosures). Early adoption is permitted for periods beginning after December 15, 2016. We are currently evaluating the impact of our pending adoption of ASU 2014-09 on our consolidated financial statements.

Investment Securities

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Our available-for-sale investment securities were as follows:



	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
	(In thousands)
June 30, 2015
Corporate bonds	$	36,901	$	2	$	(34	)	$	36,869
Commercial paper	36,787		4		(3		)	36,788
U.S. Treasury notes	26,274		11		(1		)	26,284
Mortgage-backed securities	79,711		43		(477		)	79,277
Municipal bonds	2,129		66		(7		)	2,188
Asset-backed securities	17,772		5		(4		)	17,773
Total investment securities	$	199,574	$	131	$	(526	)	$	199,179

December 31, 2014
Corporate bonds	$	40,433	$	4	$	(48	)	$	40,389
Commercial paper	7,648		1		—			7,649
U.S. Treasury notes	14,782		5		(16		)	14,771
Agency securities	2,950		—		—			2,950
Mortgage-backed securities	35,420		119		(177		)	35,362
Municipal bonds	5,555		61		(21		)	5,595
Asset-backed securities	13,727		—		(12		)	13,715
Total investment securities	$	120,515	$	190	$	(274	)	$	120,431

Note 3 — Investment Securities (continued)

As of June 30, 2015 and December 31, 2014, the gross unrealized losses and fair values of available-for-sale investment securities that were in unrealized loss positions were as follows:



	Less than 12 months					12 months or more					Total fair value		Total unrealized loss
	Fair value		Unrealized loss			Fair value		Unrealized loss			Total fair value		Total unrealized loss
	(In thousands)
June 30, 2015
Corporate bonds	$	29,312	$	(34	)	$	—	$	—		$	29,312	$	(34	)
Commercial paper	8,926		(3		)	—		—			8,926		(3		)
US Treasury notes	8,191		(1		)	—		—			8,191		(1		)
Mortgage-backed securities	64,444		(477		)	—		—			64,444		(477		)
Municipal bonds	393		(7		)	—		—			393		(7		)
Asset-backed securities	9,631		(4		)	—		—			9,631		(4		)
Total investment securities	$	120,897	$	(526	)	$	—	$	—		$	120,897	$	(526	)

December 31, 2014
Corporate bonds	$	33,348	$	(48	)	$	—	$	—		$	33,348	$	(48	)
U.S. Treasury notes	6,068		(16		)	—		—			6,068		(16		)
Mortgage-backed securities	21,495		(163		)	1,143		(14		)	22,638		(177		)
Municipal bonds	—		—			419		(21		)	419		(21		)
Asset-backed securities	12,254		(12		)	—		—			12,254		(12		)
Total investment securities	$	73,165	$	(239	)	$	1,562	$	(35	)	$	74,727	$	(274	)

We did not record any other-than-temporary impairment losses during the three and six months ended June 30, 2015 or 2014 on our available-for-sale investment securities. We do not intend to sell these investments and we have determined that it is more likely than not that we will not be required to sell these investments before recovery of their amortized cost bases, which may be at maturity.

As of June 30, 2015, the contractual maturities of our available-for-sale investment securities were as follows:



	Amortized cost		Fair value
	(In thousands)
Due in one year or less	$	76,751	$	76,746
Due after one year through five years	23,760		23,753
Due after five years through ten years	330		336
Due after ten years	1,250		1,294
Mortgage and asset-backed securities	97,483		97,050
Total investment securities	$	199,574	$	199,179

The expected payments on mortgage-backed and asset-backed securities may not coincide with their contractual maturities because the issuers have the right to call or prepay certain obligations.

Accounts Receivable

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Accounts Receivable

Accounts receivable, net consisted of the following:



	June 30, 2015			December 31, 2014
	(In thousands)
Overdrawn account balances due from cardholders	$	14,029		$	14,412
Reserve for uncollectible overdrawn accounts	(12,039		)	(11,196		)
Net overdrawn account balances due from cardholders	1,990			3,216

Trade receivables	5,828			8,265
Reserve for uncollectible trade receivables	(62		)	(16		)
Net trade receivables	5,766			8,249

Receivables due from card issuing banks	9,420			28,349
Fee advances	496			6,545
Other receivables	5,521			2,558
Accounts receivable, net	$	23,193		$	48,917

Activity in the reserve for uncollectible overdrawn accounts consisted of the following:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands)
Balance, beginning of period	$	12,580		$	9,165		$	11,196		$	10,363
Provision for uncollectible overdrawn accounts:
Fees	13,737			6,663			27,381			14,403
Purchase transactions	2,637			906			4,185			1,656
Charge-offs	(16,915		)	(8,179		)	(30,723		)	(17,867		)
Balance, end of period	$	12,039		$	8,555		$	12,039		$	8,555

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

+ References + Details

Property and Equipment	6 Months Ended
Property and Equipment	Jun. 30, 2015
Property, Plant and Equipment [Abstract]
Property and Equipment	Property and Equipment During the three and six months ended June 30, 2015 we recorded an impairment charge of $5.0 million associated with capitalized internal-use software that was determined to no longer be utilized and any remaining carrying value was written off. During the three and six months ended June 30, 2014, we did not record any impairment charges. The impairment charge is included within other general and administrative expenses in our consolidated statements of operations.

Loans to Bank Customers

6 Months Ended

Jun. 30, 2015

Loans and Leases Receivable Disclosure [Abstract]

Loans to Bank Customers

The following table presents total outstanding loans, gross of the related allowance for loan losses, and a summary of the related payment status:



	30-59 Days Past Due			60-89 Days Past Due			90 Days or More Past Due			Total Past Due			Total Current or Less Than 30 Days Past Due			Total Outstanding
	(In thousands)
June 30, 2015
Residential	$	1		$	—		$	—		$	1		$	3,758		$	3,759
Commercial	—			—			28			28			280			308
Installment	2			11			4			17			2,744			2,761
Total loans	$	3		$	11		$	32		$	46		$	6,782		$	6,828

Percentage of outstanding	—		%	0.2		%	0.5		%	0.7		%	99.3		%	100.0		%

December 31, 2014
Residential	$	—		$	—		$	—		$	—		$	3,861		$	3,861
Commercial	—			—			—			—			697			697
Installment	1			3			4			8			2,428			2,436
Total loans	$	1		$	3		$	4		$	8		$	6,986		$	6,994

Percentage of outstanding	—		%	—		%	0.1		%	0.1		%	99.9		%	100.0		%

Nonperforming Loans

The following table presents the carrying value, gross of the related allowance for loan losses, of our nonperforming loans. See Note 2–Summary of Significant Accounting Policies to the Consolidated Financial Statements of our Annual Report on Form 10-K for the year ended December 31, 2014 for further information on the criteria for classification as nonperforming.



	June 30, 2015		December 31, 2014
	(In thousands)
Residential	$	291	$	54
Commercial	10		31
Installment	168		104
Total loans	$	469	$	189

Credit Quality Indicators

We closely monitor and assess the credit quality and credit risk of our loan portfolio on an ongoing basis. We continuously review and update loan risk classifications. We evaluate our loans using non-classified or classified as the primary credit quality indicator. Classified loans are those loans that have demonstrated credit weakness where we believe there is a heightened risk of principal loss, including all impaired loans. Classified loans are generally internally categorized as substandard, doubtful or loss, consistent with regulatory guidelines.

The table below presents the carrying value, gross of the related allowance for loan losses, of our loans within the primary credit quality indicators related to our loan portfolio:



	June 30, 2015				December 31, 2014
	Non-Classified		Classified		Non-Classified		Classified
	(In thousands)
Residential	$	3,268	$	491	$	3,604	$	257
Commercial	288		20		635		62
Installment	2,612		149		2,306		130
Total loans	$	6,168	$	660	$	6,545	$	449

Note 6—Loans to Bank Customers (continued)

Impaired Loans and Troubled Debt Restructurings

When, for economic or legal reasons related to a borrower’s financial difficulties, we grant a concession for other than an insignificant period of time to a borrower that we would not otherwise consider, the related loan is classified as a Troubled Debt Restructuring, or TDR. Our TDR modifications involve an extension of the maturity date at a stated interest rate lower than the current market rate for new debt with similar risk. The following table presents our impaired loans and loans that we modified as TDRs as of June 30, 2015 and December 31, 2014:



	June 30, 2015				December 31, 2014
	Unpaid Principal Balance		Carrying Value		Unpaid Principal Balance		Carrying Value
	(In thousands)
Residential	$	382	$	291	$	97	$	54
Commercial	255		10		270		31
Installment	375		168		367		104

Allowance for Loan Losses

Activity in the allowance for loan losses consisted of the following:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands)
Balance, beginning of period	$	340		$	435		$	444		$	464
Provision for loans	39			—			(34		)	—
Loans charged off	(9		)	(27		)	(44		)	(60		)
Recoveries of loans previously charged off	7			6			11			10
Balance, end of period	$	377		$	414		$	377		$	414

Employee Stock-Based Compensation

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Employee Stock-Based Compensation

We currently grant stock options and restricted stock units to employees and directors under our 2010 Equity Incentive Plan. Additionally, through our 2010 Employee Stock Purchase Plan, employees are able to purchase shares of our Class A common stock at a discount through payroll deductions. We have reserved shares of our Class A common stock for issuance under these plans.

The following table summarizes restricted stock units granted under our 2010 Equity Incentive Plan:



	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
	(In thousands, except per share data)
Restricted stock units granted	1,070		352		1,650		452
Weighted-average grant-date fair value	$	15.07	$	18.68	$	16.10	$	19.09

We issued no stock options during the three and six months ended June 30, 2015, and 54,000 and 106,000 during the three and six months ended June 30, 2014. Additionally, on March 31, 2015, we granted 242,587 shares of performance-based restricted stock units to certain executive employees under our 2010 Equity Incentive Plan.

The total stock-based compensation expense recognized was $6.4 million and $11.6 million for the three and six months ended June 30, 2015, respectively, and $4.7 million and $8.7 million for the three and six months ended June 30, 2014, respectively. Total stock-based compensation expense includes amounts related to awards of stock options and restricted stock units and purchases under our 2010 Employee Stock Purchase Plan.

Deposits

6 Months Ended

Jun. 30, 2015

Deposits [Abstract]

Deposits

Deposits are categorized as non-interest or interest-bearing deposits as follows:



	June 30, 2015		December 31, 2014
	(In thousands)
Non-interest bearing deposit accounts
GPR deposits	$	559,977	$	529,779
Other demand deposits	31,920		19,631
Total non-interest bearing deposit accounts	591,897		549,410
Interest-bearing deposit accounts
Negotiable order of withdrawal (NOW)	1,018		905
Savings	7,791		7,985
Time deposits, denominations greater than or equal to $100	5,465		5,263
Time deposits, denominations less than $100	1,910		1,838
Total interest-bearing deposit accounts	16,184		15,991
Total deposits	$	608,081	$	565,401

The scheduled contractual maturities for total time deposits are presented in the table below:



	June 30, 2015
	(In thousands)
Due in 2015	$	1,843
Due in 2016	2,731
Due in 2017	2,271
Due in 2018	58
Due in 2019	336
Thereafter	136
Total time deposits	$	7,375

Note Payable

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Note Payable

As of June 30, 2015 and December 31, 2014, the Company's debt consisted of the following:



	June 30, 2015		December 31, 2014
	(In thousands)
Term facility	$	138,750	$	150,000
Revolving facility	—		—
Total notes payable	$	138,750	$	150,000

In October 2014, we entered into a $225.0 million credit agreement with Bank of America, N.A., as an administrative agent, Wells Fargo Bank, National Association, and the other lenders party thereto. The credit agreement provides for 1) a $75.0 million five-year revolving facility (the "Revolving Facility") and 2) a five-year $150.0 million term loan facility ("Term Facility" and, together with the Revolving Facility, the “Senior Credit Facility). The credit agreement also includes an accordion feature that, subject to securing additional commitments from existing lenders or new lending institutions, will allow us to increase the aggregate amount of these facilities by up to an additional $50.0 million.

Quarterly principal payments of $5.6 million are payable on the loans under the Term Facility. During the six months ended June 30, 2015, we made scheduled quarterly principal payments totaling $11.2 million. The Senior Credit Facility matures on October 23, 2019 and any amounts then outstanding are due upon maturity.

Interest

At our election, loans made under the credit agreement bear interest at 1) a LIBOR rate (the “LIBOR Rate") or 2) a base rate determined by reference to the highest of (a) the Bank of America prime rate, (b) the United States federal funds rate plus 0.50% and (c) a daily rate equal to one-month LIBOR rate plus1.0% (the “Base Rate"), plus in either case an applicable margin. The applicable margin for borrowings depends on our total leverage ratio and varies from 2.50% to 3.00% for LIBOR Rate loans and 1.50% to 2.00% for Base Rate loans. The effective interest rate on

Note 9—Note Payable (continued)

borrowings outstanding as of June 30, 2015 was 2.94%. Interest expense, excluding the amortization of debt issuance costs, related to our Senior Credit Facility was $1.1 million and $2.2 million for the three and six months ended June 30, 2015.

Covenants and restrictions

The Senior Credit Facility contains customary representations and warranties relating to us and our subsidiaries. The Senior Credit Facility also contains certain affirmative and negative covenants including negative covenants that limit or restrict, among other things, liens, indebtedness, investments and acquisitions, mergers and fundamental changes, asset sales, restricted payments, changes in the nature of the business, transactions with affiliates and other matters customarily restricted in such agreements. We must maintain a minimum fixed charge coverage ratio and a maximum consolidated leverage ratio at the end of each fiscal quarter, as set forth in the credit agreement. At June 30, 2015, we were in compliance with all such covenants.

Income Taxes

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income tax expense for the six months ended June 30, 2015 and 2014 differs from the amount computed by applying the statutory federal income tax rate to income before income taxes. The sources and tax effects of the differences are as follows:



	Six Months Ended June 30,
	2015		2014
U.S. federal statutory tax rate	35.0	%	35.0	%
State income taxes, net of federal tax benefit	2.5		1.8
General business credits	(1.1	)	(1.1	)
Employee stock-based compensation	1.0		1.1
Other	1.3		0.6
Effective tax rate	38.7	%	37.4	%

The effective tax rate for the
six months ended June 30, 2015 and 2014 differs from the statutory federal income tax rate of 35% primarily due to state income taxes, net of federal tax benefit, general business credits and non-deductible employee stock based compensation. The increase in the effective tax rate for the six months ended June 30, 2015 as compared to the six months ended June 30, 2014 is primarily attributable to increased earnings in states that have higher statutory tax rates.

We establish a valuation allowance when we consider it more-likely-than-not that some portion or all of the deferred tax assets will not be realized. As of June 30, 2015 and June 30, 2014, we did not have a valuation allowance on any of our deferred tax assets as we believed it was more-likely-than-not that we would realize the benefits of our deferred tax assets.

We are subject to examination by the Internal Revenue Service, or IRS, and various state tax authorities. Our consolidated federal income tax returns for the five-months ended December 31, 2009 and the years ended December 31, 2010 and 2011 are currently under examination by the IRS. We remain subject to examination of our federal income tax return for the years ended December 31, 2012 and 2013. We generally remain subject to examination of our various state income tax returns for a period of four to five years from the respective dates the returns were filed.

As of June 30, 2015, we have net operating loss carryforwards of approximately $46.8 million and $40.3 million for federal and state tax purposes, respectively, which will be available to offset future income. If not used, these carryforwards will expire between 2025 and 2034. In addition, we have state business tax credits of approximately $4.1 million that will expire between 2028 and 2034 and other state business tax credits of approximately $1.4 million that will expire 2024.

As of June 30, 2015 and 2014, we had a liability of $7.0 million and $4.4 million, respectively, for unrecognized tax benefits related to various federal and state income tax matters excluding interest, penalties and related tax benefits. The reconciliation of the beginning unrecognized tax benefits balance to the ending balance is as follows:

Note 10—Income Taxes (continued)



	Six Months Ended June 30,
	2015		2014
	(In thousands)
Beginning balance	$	6,190	$	3,724
Increases related to positions taken during the current year	854		676
Ending balance	$	7,044	$	4,400

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	$	7,044	$	4,400

We recognized accrued interest and penalties related to unrecognized tax benefits as of both June 30, 2015 and 2014, of approximately $0.3 million.

Earnings per Common Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings per Common Share

The calculation of basic and diluted EPS was as follows:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands, except per share data)
Basic earnings per Class A common share
Net income	$	3,496		$	14,343		$	44,309		$	29,648
Income attributable to preferred stock	(99		)	(1,703		)	(1,263		)	(3,966		)
Income attributable to common stock subject to repurchase	(1		)	(138		)	(48		)	(324		)
Net income allocated to Class A common stockholders	$	3,396		$	12,502		$	42,998		$	25,358
Weighted-average Class A shares issued and outstanding	51,811			39,394			51,631			38,433
Basic earnings per Class A common share	$	0.07		$	0.32		$	0.83		$	0.66

Diluted earnings per Class A common share
Net income allocated to Class A common stockholders	$	3,396		$	12,502		$	42,998		$	25,358
Re-allocated earnings	1			26			12			96
Diluted net income allocated to Class A common stockholders	3,397			12,528			43,010			25,454
Weighted-average Class A shares issued and outstanding	51,811			39,394			51,631			38,433
Dilutive potential common shares:
Stock options	272			515			276			831
Restricted stock units	185			138			189			195
Employee stock purchase plan	7			5			8			7
Diluted weighted-average Class A shares issued and outstanding	52,275			40,052			52,104			39,466
Diluted earnings per Class A common share	$	0.06		$	0.31		$	0.83		$	0.64

For the periods presented, we excluded all shares of convertible preferred stock and certain restricted stock units and stock options outstanding, which could potentially dilute basic EPS in the future, from the computation of diluted EPS as their effect was anti-dilutive. The following table shows the weighted-average number of anti-dilutive shares excluded from the diluted EPS calculation:



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
	(In thousands)
Class A common stock
Options to purchase Class A common stock	794	673	789	608
Restricted stock units	85	57	96	35
Conversion of convertible preferred stock	1,518	5,369	1,516	6,011
Total options, restricted stock units and convertible preferred stock	2,397	6,099	2,401	6,654

Fair Value Measurements

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Under applicable accounting guidance, fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

We determine the fair values of our financial instruments based on the fair value hierarchy established under applicable accounting guidance which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. There are three levels of inputs used to measure fair value.

For more information regarding the fair value hierarchy and how we measure fair value, see Note 2–Summary of Significant Accounting Policies to the Consolidated Financial Statements of our Annual Report on Form 10-K for the year ended December 31, 2014.

As of June 30, 2015 and December 31, 2014, our assets and liabilities carried at fair value on a recurring basis were as follows:



	Level 1		Level 2		Level 3		Total Fair Value
June 30, 2015	(In thousands)
Assets
Corporate bonds	$	—	$	36,869	$	—	$	36,869
Commercial paper	—		36,788		—		36,788
U.S. Treasury notes	—		26,284		—		26,284
Mortgage-backed securities	—		79,277		—		79,277
Municipal bonds	—		2,188		—		2,188
Asset-backed securities	—		17,773		—		17,773
Total assets	$	—	$	199,179	$	—	$	199,179

Liabilities
Contingent consideration	$	—	$	—	$	14,976	$	14,976

December 31, 2014
Assets
Corporate bonds	$	—	$	40,389	$	—	$	40,389
Commercial paper	—		7,649		—		7,649
U.S. Treasury notes	—		14,771		—		14,771
Agency securities	—		2,950		—		2,950
Mortgage-backed securities	—		35,362		—		35,362
Municipal bonds	—		5,595		—		5,595
Asset-backed securities	—		13,715		—		13,715
Total assets	$	—	$	120,431	$	—	$	120,431

Liabilities
Contingent consideration	$	—	$	—	$	23,160	$	23,160

The following table presents changes in our contingent consideration payable for the three and six months ended June 30, 2015, which is categorized in Level 3 of the fair value hierarchy.



	Three Months Ended June 30, 2015			Six Months Ended June 30, 2015
	(In thousands)
Balance, beginning of period	$	15,375		$	23,160
Payments of contingent consideration	(499		)	(668		)
Change in fair value of contingent consideration	100			(7,516		)
Balance, end of period	$	14,976		$	14,976

Note 12—Fair Value Measurements (continued)

We based the fair value of our fixed income securities held as of June 30, 2015 and December 31, 2014 on quoted prices in active markets for similar assets. We had no transfers between Level 1, Level 2 or Level 3 assets during the three and six months ended June 30, 2015 or 2014.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

The following describes the valuation technique for determining the fair value of financial instruments, whether or not such instruments are carried at fair value on our consolidated balance sheets.

Short-term Financial Instruments

Our short-term financial instruments consist principally of unrestricted and restricted cash and cash equivalents, federal funds sold, settlement assets and obligations, and obligations to customers. These financial instruments are short-term in nature, and, accordingly, we believe their carrying amounts approximate their fair values. Under the fair value hierarchy, these instruments are classified as Level 1.

Investment Securities

The fair values of investment securities have been derived using methodologies referenced in Note 2–Summary of Significant Accounting Policies to the Consolidated Financial Statements of our Annual Report on Form 10-K for the year ended December 31, 2014. Under the fair value hierarchy, our investment securities are classified as Level 2.

Loans

We determined the fair values of loans by discounting both principal and interest cash flows expected to be collected using a discount rate commensurate with the risk that we believe a market participant would consider in determining fair value. Under the fair value hierarchy, our loans are classified as Level 3.

Deposits

The fair value of demand and interest checking deposits and savings deposits is the amount payable on demand at the reporting date. We determined the fair value of time deposits by discounting expected future cash flows using market-derived rates based on our market yields on certificates of deposit, by maturity, at the measurement date. Under the fair value hierarchy, our deposits are classified as Level 2.

Contingent Consideration

The fair value of contingent consideration obligations are estimated through valuation models designed to estimate the probability of such contingent payments based on various assumptions. Estimated payments are discounted using present value techniques to arrive at an estimated fair value. Our contingent consideration payable is classified as Level 3 because we use unobservable inputs to estimate fair value, including the probability of achieving certain earnings thresholds and appropriate discount rates. Changes in fair value of contingent consideration are recorded through operating expenses.

Note Payable

The fair value of our note payable is based on borrowing rates currently available to a market participant for loans with similar terms or maturity. The carrying amount of our note payable approximates fair value because the base interest rate charged varies with market conditions and the credit spread is commensurate with current market spreads for issuers of similar risk. The fair value of the note payable is classified as a Level 2 liability in the fair value hierarchy.

Fair Value of Financial Instruments

The carrying values and fair values of certain financial instruments that were not carried at fair value, excluding short-term financial instruments for which the carrying value approximates fair value, at June 30, 2015 and December 31, 2014 are presented in the table below.

Note 13—Fair Value of Financial Instruments (continued)



	June 30, 2015				December 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Financial Assets
Loans to bank customers, net of allowance	$	6,451	$	5,170	$	6,550	$	5,399

Financial Liabilities
Deposits	$	608,081	$	608,018	$	565,401	$	565,345
Note payable	$	138,750	$	138,750	$	150,000	$	150,000

Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jun. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies We monitor the laws of all 50 states to identify state laws or regulations that apply (or may apply) to our products and services. We have obtained money transmitter licenses (or similar such licenses) where applicable, based on advice of counsel or when we have been requested to do so. If we were found to be in violation of any laws and regulations governing banking, money transmitters, electronic fund transfers, or money laundering in the United States or abroad, we could be subject to penalties or could be forced to change our business practices. In the ordinary course of business, we are a party to various legal proceedings. We review these actions on an ongoing basis to determine whether it is probable that a loss has occurred and use that information when making accrual and disclosure decisions. We have not established reserves or possible ranges of losses related to these proceedings because, at this time in the proceedings, the matters do not relate to a probable loss and/or the amounts are not reasonably estimable. From time to time we enter into contracts containing provisions that contingently require us to indemnify various parties against claims from third parties. These contracts primarily relate to: (i) contracts with our card issuing banks, under which we are responsible to them for any unrecovered overdrafts on cardholders’ accounts; (ii) certain real estate leases, under which we may be required to indemnify property owners for environmental and other liabilities, and other claims arising from our use of the premises; (iii) certain agreements with our officers, directors, and employees, under which we may be required to indemnify these persons for liabilities arising out of their relationship with us; and (iv) contracts under which we may be required to indemnify our retail distributors, suppliers, vendors and other parties with whom we have contracts against claims arising from certain of our actions, omissions, violations of law and/or infringement of patents, trademarks, copyrights and/or other intellectual property rights. Generally, a maximum obligation under these contracts is not explicitly stated. Because the obligated amounts associated with these types of agreements are not explicitly stated, the overall maximum amount of the obligation cannot be reasonably estimated. With the exception of overdrafts on cardholders’ accounts, historically, we have not been required to make payments under these and similar contingent obligations, and no liabilities have been recorded for these obligations in our consolidated balance sheets. For additional information regarding overdrafts on cardholders’ accounts, refer to Note 4 — Accounts Receivable. As of June 30, 2015 and December 31, 2014, we had $1.5 million outstanding in standby letters of credit related to our corporate facility lease.

Significant Customer Concentrations

6 Months Ended

Jun. 30, 2015

Risks and Uncertainties [Abstract]

Significant Customer Concentrations

Significant Customer Concentration

A credit concentration may exist if customers are involved in similar industries, economic sectors, and geographic regions. Our retail distributors operate in similar economic sectors but diverse domestic geographic regions. The loss of a significant retail distributor could have a material adverse effect upon our card sales, profitability, and revenue growth.

Revenues derived from our products sold at retail distributors constituting greater than 10% of our total operating revenues were as follows:



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Walmart	48%	54%	42%	58%

Note 15—Significant Customer Concentration (continued)

Excluding stock-based retailer incentive compensation of $0.6 million and $2.0 million for the three months ended June 30, 2015 and 2014, respectively, and $2.5 million and $4.4 million for the six months ended June 30, 2015 and 2014, respectively, revenues derived from our products sold at retail distributors constituting greater than 10% of our total operating revenues were as follows:



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Walmart	48%	55%	43%	58%

The concentration of GPR cards activated (in units) and the concentration of sales of cash transfer products (in units) derived from our products sold at our four largest retail distributors, including Walmart, was as follows:



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Concentration of GPR cards activated (in units)	59%	71%	60%	72%
Concentration of sales of cash transfer products (in units)	81%	80%	81%	81%

Settlement assets derived from our products sold at our four largest retail distributors comprised the following percentages of the settlement assets recorded on our consolidated balance sheets:



	June 30, 2015	December 31, 2014
Walmart	63%	22%
Three other largest retail distributors, as a group	13%	6%

Segment Information

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Segment Information

As of December 31, 2014, and prior, our operations were within one reportable segment. As a result of recent acquisitions occurring in late 2014 and early 2015, we have realigned our operations into two reportable segments: Account Services and Processing and Settlement Services. We identified our reportable segments based on factors such as how we manage our operations and how our chief operating decision maker views results. Our chief operating decision maker organizes and manages our business primarily on the basis of product and service offerings and uses operating income to assess profitability.

The Account Services segment consists of revenues and expenses derived from our branded and private label deposit account programs. These programs include our Green Dot-branded and affinity-branded GPR card accounts, private label GPR card accounts, checking accounts and open-loop gift cards. The Processing and Settlement Services segment consists of revenues and expenses derived from reload services through the Green Dot Network and our tax refund processing services. The Corporate and Other segment primarily consists of unallocated corporate expenses, depreciation and amortization, intercompany eliminations and other costs that are not considered when management evaluates segment performance. We do not evaluate performance or allocate resources based on segment asset data, and therefore such information is not presented.

The following table presents certain financial information for each of our reportable segments for the three and six months ended June 30, 2015. We have determined that it is impracticable to restate segment information for the three and six months ended June 30, 2014, as well as to provide disclosures under both the old basis and new basis of reporting for certain items. Therefore, no such disclosures are presented.



	Three Months Ended June 30, 2015
	Account Services		Processing and Settlement Services		Corporate and Other			Total
	(In thousands)
Operating revenues	$	134,772	$	42,631	$	(7,156	)	$	170,247
Operating expenses	112,827		30,363		20,139			163,329
Operating income	$	21,945	$	12,268	$	(27,295	)	$	6,918

Note 16—Segment Information (continued)



	Six Months Ended June 30, 2015
	Account Services		Processing and Settlement Services		Corporate and Other			Total
	(In thousands)
Operating revenues	$	282,631	$	132,807	$	(18,026	)	$	397,412
Operating expenses	230,980		67,220		26,398			324,598
Operating income	$	51,651	$	65,587	$	(44,424	)	$	72,814

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

Summary of Significant Accounting Policies (Policies)	6 Months Ended
Summary of Significant Accounting Policies (Policies)	Jun. 30, 2015
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited consolidated financial statements are prepared in accordance with generally accepted accounting principles in the United States of America, or GAAP. We consolidated our wholly-owned subsidiaries and eliminated all significant intercompany balances and transactions. We have also prepared the accompanying unaudited consolidated financial statements in conformity with the instructions to Form 10-Q and Article 10 of Regulation S-X and, consequently, they do not include all of the annual disclosures required by GAAP. Reference is made to our Annual Report on Form 10-K for the year ended December 31, 2014 for additional disclosures, including a summary of our significant accounting policies. There have been no changes to our significant accounting policies during the six months ended June 30, 2015. In our opinion, the accompanying unaudited consolidated financial statements contain all adjustments, consisting of normal and recurring items, except as otherwise noted, necessary for the fair presentation of our financial position, results of operations and cash flows for the interim periods presented.
New Accounting Pronouncements	Recent Accounting Pronouncements In April 2015, the FASB issued ASU No. 2015-05, Customer's Accounting for Fees Paid in a Cloud Computing Arrangement ("ASU 2015-05"). This ASU provides guidance to customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The new guidance does not change the accounting for service contracts. Note 2—Summary of Significant Accounting Policies (continued) ASU 2015-05 is effective for interim and annual reporting periods beginning after December 15, 2015. We are currently evaluating the provisions of the ASU to determine the potential impact the new standard will have on our consolidated financial statements. In April 2015, the FASB issued ASU No. 2015-03, Simplifying the Presentation of Debt Issuance Costs ("ASU 2015-03") which changes the presentation of debt issuance costs in financial statements. ASU 2015-03 requires an entity to present such costs in the balance sheet as a direct deduction from the related debt liability rather than as an asset. Amortization of the costs will continue to be reported as interest expense. The ASU is effective for annual reporting periods beginning after December 15, 2015, with early adoption permitted. The new guidance will be applied retrospectively to each prior period presented. We are currently in the process of evaluating the impact of adoption of the ASU on our consolidated balance sheets. In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers ("ASU 2014-09"), which supersedes nearly all existing revenue recognition guidance under GAAP. The core principle of ASU 2014-09 is to recognize revenues when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services. ASU 2014-09 defines a five step process to achieve this core principle and, in doing so, more judgment and estimates may be required within the revenue recognition process than are required under existing GAAP. In July 2015, the FASB voted to defer the effective date of ASU 2014-09 by one year, making the standard effective for annual periods beginning after December 15, 2017, and interim periods therein, using either of the following transition methods: (i) a full retrospective approach reflecting the application of the standard in each prior reporting period with the option to elect certain practical expedients, or (ii) a retrospective approach with the cumulative effect of initially adopting ASU 2014-09 recognized at the date of adoption (which includes additional footnote disclosures). Early adoption is permitted for periods beginning after December 15, 2016. We are currently evaluating the impact of our pending adoption of ASU 2014-09 on our consolidated financial statements.

Investment Securities (Tables)

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Investment securities, available-for-sale

As of June 30, 2015 and December 31, 2014, the gross unrealized losses and fair values of available-for-sale investment securities that were in unrealized loss positions were as follows:



	Less than 12 months					12 months or more					Total fair value		Total unrealized loss
	Fair value		Unrealized loss			Fair value		Unrealized loss			Total fair value		Total unrealized loss
	(In thousands)
June 30, 2015
Corporate bonds	$	29,312	$	(34	)	$	—	$	—		$	29,312	$	(34	)
Commercial paper	8,926		(3		)	—		—			8,926		(3		)
US Treasury notes	8,191		(1		)	—		—			8,191		(1		)
Mortgage-backed securities	64,444		(477		)	—		—			64,444		(477		)
Municipal bonds	393		(7		)	—		—			393		(7		)
Asset-backed securities	9,631		(4		)	—		—			9,631		(4		)
Total investment securities	$	120,897	$	(526	)	$	—	$	—		$	120,897	$	(526	)

December 31, 2014
Corporate bonds	$	33,348	$	(48	)	$	—	$	—		$	33,348	$	(48	)
U.S. Treasury notes	6,068		(16		)	—		—			6,068		(16		)
Mortgage-backed securities	21,495		(163		)	1,143		(14		)	22,638		(177		)
Municipal bonds	—		—			419		(21		)	419		(21		)
Asset-backed securities	12,254		(12		)	—		—			12,254		(12		)
Total investment securities	$	73,165	$	(239	)	$	1,562	$	(35	)	$	74,727	$	(274	)

Our available-for-sale investment securities were as follows:



	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
	(In thousands)
June 30, 2015
Corporate bonds	$	36,901	$	2	$	(34	)	$	36,869
Commercial paper	36,787		4		(3		)	36,788
U.S. Treasury notes	26,274		11		(1		)	26,284
Mortgage-backed securities	79,711		43		(477		)	79,277
Municipal bonds	2,129		66		(7		)	2,188
Asset-backed securities	17,772		5		(4		)	17,773
Total investment securities	$	199,574	$	131	$	(526	)	$	199,179

December 31, 2014
Corporate bonds	$	40,433	$	4	$	(48	)	$	40,389
Commercial paper	7,648		1		—			7,649
U.S. Treasury notes	14,782		5		(16		)	14,771
Agency securities	2,950		—		—			2,950
Mortgage-backed securities	35,420		119		(177		)	35,362
Municipal bonds	5,555		61		(21		)	5,595
Asset-backed securities	13,727		—		(12		)	13,715
Total investment securities	$	120,515	$	190	$	(274	)	$	120,431

Investments classified by contractual maturity date

As of June 30, 2015, the contractual maturities of our available-for-sale investment securities were as follows:



	Amortized cost		Fair value
	(In thousands)
Due in one year or less	$	76,751	$	76,746
Due after one year through five years	23,760		23,753
Due after five years through ten years	330		336
Due after ten years	1,250		1,294
Mortgage and asset-backed securities	97,483		97,050
Total investment securities	$	199,574	$	199,179

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details

Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Accounts Receivable

Accounts receivable, net consisted of the following:



	June 30, 2015			December 31, 2014
	(In thousands)
Overdrawn account balances due from cardholders	$	14,029		$	14,412
Reserve for uncollectible overdrawn accounts	(12,039		)	(11,196		)
Net overdrawn account balances due from cardholders	1,990			3,216

Trade receivables	5,828			8,265
Reserve for uncollectible trade receivables	(62		)	(16		)
Net trade receivables	5,766			8,249

Receivables due from card issuing banks	9,420			28,349
Fee advances	496			6,545
Other receivables	5,521			2,558
Accounts receivable, net	$	23,193		$	48,917

Activity in the reserve for uncollectible overdrawn accounts consisted of the following:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands)
Balance, beginning of period	$	12,580		$	9,165		$	11,196		$	10,363
Provision for uncollectible overdrawn accounts:
Fees	13,737			6,663			27,381			14,403
Purchase transactions	2,637			906			4,185			1,656
Charge-offs	(16,915		)	(8,179		)	(30,723		)	(17,867		)
Balance, end of period	$	12,039		$	8,555		$	12,039		$	8,555

Loans to Bank Customers (Tables)

6 Months Ended

Jun. 30, 2015

Loans and Leases Receivable Disclosure [Abstract]

Past due financing receivables

The following table presents total outstanding loans, gross of the related allowance for loan losses, and a summary of the related payment status:



	30-59 Days Past Due			60-89 Days Past Due			90 Days or More Past Due			Total Past Due			Total Current or Less Than 30 Days Past Due			Total Outstanding
	(In thousands)
June 30, 2015
Residential	$	1		$	—		$	—		$	1		$	3,758		$	3,759
Commercial	—			—			28			28			280			308
Installment	2			11			4			17			2,744			2,761
Total loans	$	3		$	11		$	32		$	46		$	6,782		$	6,828

Percentage of outstanding	—		%	0.2		%	0.5		%	0.7		%	99.3		%	100.0		%

December 31, 2014
Residential	$	—		$	—		$	—		$	—		$	3,861		$	3,861
Commercial	—			—			—			—			697			697
Installment	1			3			4			8			2,428			2,436
Total loans	$	1		$	3		$	4		$	8		$	6,986		$	6,994

Percentage of outstanding	—		%	—		%	0.1		%	0.1		%	99.9		%	100.0		%

Nonperforming loans



	June 30, 2015		December 31, 2014
	(In thousands)
Residential	$	291	$	54
Commercial	10		31
Installment	168		104
Total loans	$	469	$	189

Financing receivable credit quality indicators

The table below presents the carrying value, gross of the related allowance for loan losses, of our loans within the primary credit quality indicators related to our loan portfolio:



	June 30, 2015				December 31, 2014
	Non-Classified		Classified		Non-Classified		Classified
	(In thousands)
Residential	$	3,268	$	491	$	3,604	$	257
Commercial	288		20		635		62
Installment	2,612		149		2,306		130
Total loans	$	6,168	$	660	$	6,545	$	449

Troubled debt restructurings

The following table presents our impaired loans and loans that we modified as TDRs as of June 30, 2015 and December 31, 2014:



	June 30, 2015				December 31, 2014
	Unpaid Principal Balance		Carrying Value		Unpaid Principal Balance		Carrying Value
	(In thousands)
Residential	$	382	$	291	$	97	$	54
Commercial	255		10		270		31
Installment	375		168		367		104

Allowance for loan losses

Activity in the allowance for loan losses consisted of the following:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands)
Balance, beginning of period	$	340		$	435		$	444		$	464
Provision for loans	39			—			(34		)	—
Loans charged off	(9		)	(27		)	(44		)	(60		)
Recoveries of loans previously charged off	7			6			11			10
Balance, end of period	$	377		$	414		$	377		$	414

Employee Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Options and Restricted Stock Units activity

The following table summarizes restricted stock units granted under our 2010 Equity Incentive Plan:



	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
	(In thousands, except per share data)
Restricted stock units granted	1,070		352		1,650		452
Weighted-average grant-date fair value	$	15.07	$	18.68	$	16.10	$	19.09

Deposits (Tables)

6 Months Ended

Jun. 30, 2015

Deposits [Abstract]

Summary of Deposits

Deposits are categorized as non-interest or interest-bearing deposits as follows:



	June 30, 2015		December 31, 2014
	(In thousands)
Non-interest bearing deposit accounts
GPR deposits	$	559,977	$	529,779
Other demand deposits	31,920		19,631
Total non-interest bearing deposit accounts	591,897		549,410
Interest-bearing deposit accounts
Negotiable order of withdrawal (NOW)	1,018		905
Savings	7,791		7,985
Time deposits, denominations greater than or equal to $100	5,465		5,263
Time deposits, denominations less than $100	1,910		1,838
Total interest-bearing deposit accounts	16,184		15,991
Total deposits	$	608,081	$	565,401

Contractual Maturities For Total Time Deposits

The scheduled contractual maturities for total time deposits are presented in the table below:



	June 30, 2015
	(In thousands)
Due in 2015	$	1,843
Due in 2016	2,731
Due in 2017	2,271
Due in 2018	58
Due in 2019	336
Thereafter	136
Total time deposits	$	7,375

Note Payable (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Schedule of Debt

As of June 30, 2015 and December 31, 2014, the Company's debt consisted of the following:



	June 30, 2015		December 31, 2014
	(In thousands)
Term facility	$	138,750	$	150,000
Revolving facility	—		—
Total notes payable	$	138,750	$	150,000

Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Reconciliation of federal tax rate and actual income tax expense

The sources and tax effects of the differences are as follows:



	Six Months Ended June 30,
	2015		2014
U.S. federal statutory tax rate	35.0	%	35.0	%
State income taxes, net of federal tax benefit	2.5		1.8
General business credits	(1.1	)	(1.1	)
Employee stock-based compensation	1.0		1.1
Other	1.3		0.6
Effective tax rate	38.7	%	37.4	%

The effective tax rate for the

Summary of income tax contingencies

The reconciliation of the beginning unrecognized tax benefits balance to the ending balance is as follows:

Note 10—Income Taxes (continued)



	Six Months Ended June 30,
	2015		2014
	(In thousands)
Beginning balance	$	6,190	$	3,724
Increases related to positions taken during the current year	854		676
Ending balance	$	7,044	$	4,400

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	$	7,044	$	4,400

Earnings per Common Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Common Share

The calculation of basic and diluted EPS was as follows:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands, except per share data)
Basic earnings per Class A common share
Net income	$	3,496		$	14,343		$	44,309		$	29,648
Income attributable to preferred stock	(99		)	(1,703		)	(1,263		)	(3,966		)
Income attributable to common stock subject to repurchase	(1		)	(138		)	(48		)	(324		)
Net income allocated to Class A common stockholders	$	3,396		$	12,502		$	42,998		$	25,358
Weighted-average Class A shares issued and outstanding	51,811			39,394			51,631			38,433
Basic earnings per Class A common share	$	0.07		$	0.32		$	0.83		$	0.66

Diluted earnings per Class A common share
Net income allocated to Class A common stockholders	$	3,396		$	12,502		$	42,998		$	25,358
Re-allocated earnings	1			26			12			96
Diluted net income allocated to Class A common stockholders	3,397			12,528			43,010			25,454
Weighted-average Class A shares issued and outstanding	51,811			39,394			51,631			38,433
Dilutive potential common shares:
Stock options	272			515			276			831
Restricted stock units	185			138			189			195
Employee stock purchase plan	7			5			8			7
Diluted weighted-average Class A shares issued and outstanding	52,275			40,052			52,104			39,466
Diluted earnings per Class A common share	$	0.06		$	0.31		$	0.83		$	0.64

Antidilutive Shares

The following table shows the weighted-average number of anti-dilutive shares excluded from the diluted EPS calculation:



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
	(In thousands)
Class A common stock
Options to purchase Class A common stock	794	673	789	608
Restricted stock units	85	57	96	35
Conversion of convertible preferred stock	1,518	5,369	1,516	6,011
Total options, restricted stock units and convertible preferred stock	2,397	6,099	2,401	6,654

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value on a Recurring Basis



	Level 1		Level 2		Level 3		Total Fair Value
June 30, 2015	(In thousands)
Assets
Corporate bonds	$	—	$	36,869	$	—	$	36,869
Commercial paper	—		36,788		—		36,788
U.S. Treasury notes	—		26,284		—		26,284
Mortgage-backed securities	—		79,277		—		79,277
Municipal bonds	—		2,188		—		2,188
Asset-backed securities	—		17,773		—		17,773
Total assets	$	—	$	199,179	$	—	$	199,179

Liabilities
Contingent consideration	$	—	$	—	$	14,976	$	14,976

December 31, 2014
Assets
Corporate bonds	$	—	$	40,389	$	—	$	40,389
Commercial paper	—		7,649		—		7,649
U.S. Treasury notes	—		14,771		—		14,771
Agency securities	—		2,950		—		2,950
Mortgage-backed securities	—		35,362		—		35,362
Municipal bonds	—		5,595		—		5,595
Asset-backed securities	—		13,715		—		13,715
Total assets	$	—	$	120,431	$	—	$	120,431

Liabilities
Contingent consideration	$	—	$	—	$	23,160	$	23,160

Change in Contingent Consideration Payable

The following table presents changes in our contingent consideration payable for the three and six months ended June 30, 2015, which is categorized in Level 3 of the fair value hierarchy.



	Three Months Ended June 30, 2015			Six Months Ended June 30, 2015
	(In thousands)
Balance, beginning of period	$	15,375		$	23,160
Payments of contingent consideration	(499		)	(668		)
Change in fair value of contingent consideration	100			(7,516		)
Balance, end of period	$	14,976		$	14,976

Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair value of assets not carried at fair value

Note 13—Fair Value of Financial Instruments (continued)



	June 30, 2015				December 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Financial Assets
Loans to bank customers, net of allowance	$	6,451	$	5,170	$	6,550	$	5,399

Financial Liabilities
Deposits	$	608,081	$	608,018	$	565,401	$	565,345
Note payable	$	138,750	$	138,750	$	150,000	$	150,000

Significant Customer Concentrations (Tables)

6 Months Ended

Jun. 30, 2015

Risks and Uncertainties [Abstract]

Customer concentrations

Revenues derived from our products sold at retail distributors constituting greater than 10% of our total operating revenues were as follows:



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Walmart	48%	54%	42%	58%

Note 15—Significant Customer Concentration (continued)



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Walmart	48%	55%	43%	58%



	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Concentration of GPR cards activated (in units)	59%	71%	60%	72%
Concentration of sales of cash transfer products (in units)	81%	80%	81%	81%

Settlement assets derived from our products sold at our four largest retail distributors comprised the following percentages of the settlement assets recorded on our consolidated balance sheets:



	June 30, 2015	December 31, 2014
Walmart	63%	22%
Three other largest retail distributors, as a group	13%	6%

Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting



	Three Months Ended June 30, 2015
	Account Services		Processing and Settlement Services		Corporate and Other			Total
	(In thousands)
Operating revenues	$	134,772	$	42,631	$	(7,156	)	$	170,247
Operating expenses	112,827		30,363		20,139			163,329
Operating income	$	21,945	$	12,268	$	(27,295	)	$	6,918

Note 16—Segment Information (continued)



	Six Months Ended June 30, 2015
	Account Services		Processing and Settlement Services		Corporate and Other			Total
	(In thousands)
Operating revenues	$	282,631	$	132,807	$	(18,026	)	$	397,412
Operating expenses	230,980		67,220		26,398			324,598
Operating income	$	51,651	$	65,587	$	(44,424	)	$	72,814

Organization (Details) shares in Thousands, customer in Thousands, $ in Millions	1 Months Ended	6 Months Ended
	Jan. 31, 2015 USD ($) shares	Jun. 30, 2015 customer store
Business Acquisition [Line Items]
Number of Stores \| store		100,000
Number of customers served \| customer		25
Privately-Held GPR Prepaid Company [Member]
Business Acquisition [Line Items]
Goodwill	$ 61.6
Acquired intangible assets	$ 16.1
Common Class A [Member] \| Privately-Held GPR Prepaid Company [Member]
Business Acquisition [Line Items]
Business acquisition shares issued (in shares) \| shares	514

Investment Securities - Gross Gains and Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	$ 199,574	$ 120,515
Gross unrealized gains	131	190
Gross unrealized losses	(526)	(274)
Fair value	199,179	120,431
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	36,901	40,433
Gross unrealized gains	2	4
Gross unrealized losses	(34)	(48)
Fair value	36,869	40,389
Commercial Paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	36,787	7,648
Gross unrealized gains	4	1
Gross unrealized losses	(3)	0
Fair value	36,788	7,649
US Treasury Notes
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	26,274	14,782
Gross unrealized gains	11	5
Gross unrealized losses	(1)	(16)
Fair value	26,284	14,771
Agencies Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis		2,950
Gross unrealized gains		0
Gross unrealized losses		0
Fair value		2,950
Mortgage-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	79,711	35,420
Gross unrealized gains	43	119
Gross unrealized losses	(477)	(177)
Fair value	79,277	35,362
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	2,129	5,555
Gross unrealized gains	66	61
Gross unrealized losses	(7)	(21)
Fair value	2,188	5,595
Asset-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	17,772	13,727
Gross unrealized gains	5	0
Gross unrealized losses	(4)	(12)
Fair value	$ 17,773	$ 13,715

Investment Securities - Continuous Unrealized Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	$ 120,897		$ 120,897		$ 73,165
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(526)		(526)		(239)
Fair value, 12 months or more	0		0		1,562
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments	0		0		(35)
Total fair value	120,897		120,897		74,727
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	(526)		(526)		(274)
Other than temporary impairment losses	0	$ 0	0	$ 0
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	29,312		29,312		33,348
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(34)		(34)		(48)
Fair value, 12 months or more	0		0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments	0		0		0
Total fair value	29,312		29,312		33,348
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	(34)		(34)		(48)
Commercial Paper
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	8,926		8,926
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(3)		(3)
Fair value, 12 months or more	0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments	0		0
Total fair value	8,926		8,926
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	(3)		(3)
US Treasury Notes
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	8,191		8,191		6,068
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(1)		(1)		(16)
Fair value, 12 months or more					0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments					0
Total fair value	8,191		8,191		6,068
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	(1)		(1)		(16)
Mortgage-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	64,444		64,444		21,495
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(477)		(477)		(163)
Fair value, 12 months or more	0		0		1,143
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments	0		0		(14)
Total fair value	64,444		64,444		22,638
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	(477)		(477)		(177)
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	393		393		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(7)		(7)		0
Fair value, 12 months or more	0		0		419
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments	0		0		(21)
Total fair value	393		393		419
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	(7)		(7)		(21)
Asset-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Fair value, less than 12 months	9,631		9,631		12,254
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments	(4)		(4)		(12)
Fair value, 12 months or more	0		0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments	0		0		0
Total fair value	9,631		9,631		12,254
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments	$ (4)		$ (4)		$ (12)

Investment Securities - Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Amortized cost
Due in one year or less	$ 76,751
Due after one year through five years	23,760
Due after five years through ten years	330
Due after ten years	1,250
Mortgage and asset-backed securities	97,483
Total investment securities	199,574
Fair value
Due in one year or less	76,746
Due after one year through five years	23,753
Due after five years through ten years	336
Due after ten years	1,294
Mortgage and asset-backed securities	97,050
Fair value	$ 199,179	$ 120,431

Accounts Receivable - Accounts receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable current and noncurrent, net	$ 23,193		$ 48,917
Receivables due from card issuing banks [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	9,420		28,349
Overdrawn Account Balances due from Cardholders [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	14,029		14,412
Reserve for uncollectible overdrawn accounts	(12,039)	$ (12,580)	(11,196)	$ (8,555)	$ (9,165)	$ (10,363)
Accounts receivable current and noncurrent, net	1,990		3,216
Trade receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	5,828		8,265
Reserve for uncollectible overdrawn accounts	(62)		(16)
Accounts receivable current and noncurrent, net	5,766		8,249
Fee advances [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	496		6,545
Other receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	$ 5,521		$ 2,558

Accounts Receivable - Reserve for uncollectible overdrawn accounts activity (Details) - Reserve for uncollectible overdrawn accounts [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Uncollectible Overdrawn Accounts [Roll Forward]
Balance, beginning of period	$ 12,580	$ 9,165	$ 11,196	$ 10,363
Fees	13,737	6,663	27,381	14,403
Purchase transactions	2,637	906	4,185	1,656
Charge-offs	(16,915)	(8,179)	(30,723)	(17,867)
Balance, end of period	$ 12,039	$ 8,555	$ 12,039	$ 8,555

Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Property, Plant and Equipment [Abstract]
Impairment of capitalized software	$ 4,997	$ 0	$ 4,997	$ 0

Loans to Bank Customers - Loan Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	$ 3	$ 1
60-89 days past due	11	3
90 days or more past due	32	4
Past due 30 days or more	46	8
Total Current or Less Than 30 Days Past Due	6,782	6,986
Total Outstanding Loans to Bank Customers	$ 6,828	$ 6,994
Percentage outstanding, 30-59 days past due	0.00%	0.00%
Percentage outstanding, 60-89 days past due	0.20%	0.00%
Percentage outstanding, 90 days or more past due	0.50%	0.10%
Loans, Percentage Outstanding, Total Past Due 30 Days or More	0.70%	0.10%
Percentage outstanding, current or less than 30 days past due	99.30%	99.90%
Percentage outstanding	100.00%	100.00%
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	$ 1	$ 0
60-89 days past due	0	0
90 days or more past due	0	0
Past due 30 days or more	1	0
Total Current or Less Than 30 Days Past Due	3,758	3,861
Total Outstanding Loans to Bank Customers	3,759	3,861
Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	0	0
60-89 days past due	0	0
90 days or more past due	28	0
Past due 30 days or more	28	0
Total Current or Less Than 30 Days Past Due	280	697
Total Outstanding Loans to Bank Customers	308	697
Installment Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	2	1
60-89 days past due	11	3
90 days or more past due	4	4
Past due 30 days or more	17	8
Total Current or Less Than 30 Days Past Due	2,744	2,428
Total Outstanding Loans to Bank Customers	$ 2,761	$ 2,436

Loans to Bank Customers - Nonperforming Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Nonperforming Loans [Line Items]
Nonperforming loans	$ 469	$ 189
Residential
Nonperforming Loans [Line Items]
Nonperforming loans	291	54
Commercial Loans
Nonperforming Loans [Line Items]
Nonperforming loans	10	31
Installment Loans
Nonperforming Loans [Line Items]
Nonperforming loans	$ 168	$ 104

Loans to Bank Customers - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	$ 6,451	$ 6,550
Non-Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	6,168	6,545
Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	660	449
Residential \| Non-Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	3,268	3,604
Residential \| Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	491	257
Commercial Loans \| Non-Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	288	635
Commercial Loans \| Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	20	62
Installment Loans \| Non-Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	2,612	2,306
Installment Loans \| Classified
Outstanding Loans [Line Items]
Loans to Bank Customers, Carrying Amount	$ 149	$ 130

Loans to Bank Customers - Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Residential
Loan Modifications [Line Items]
Unpaid principal balance	$ 382	$ 97
Carrying value	291	54
Commercial Loans
Loan Modifications [Line Items]
Unpaid principal balance	255	270
Carrying value	10	31
Installment Loans
Loan Modifications [Line Items]
Unpaid principal balance	375	367
Carrying value	$ 168	$ 104

Loans to Bank Customers - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Allowance for Loan Losses [Roll Forward]
Allowance for loan losses, beginning of period	$ 340	$ 435	$ 444	$ 464
Provision for loans	39	0	(34)	0
Loans charged off	(9)	(27)	(44)	(60)
Recoveries of loans previously charged off	7	6	11	10
Allowance for loan losses, end of period	$ 377	$ 414	$ 377	$ 414

Employee Stock-Based Compensation - Share-based Compensation Equity Granted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock-based compensation	$ 6,410	$ 4,714	$ 11,623	$ 8,686
2010 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted in period (shares)	0	54,000	0	106,000
2010 Equity Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted (shares)	1,070,000	352,000	1,650,000	452,000
Weighted-average grant-date fair value (in dollars per share)	$ 15.07	$ 18.68	$ 16.10	$ 19.09
2010 Equity Incentive Plan [Member] \| Performance-Based Restricted Stock Units [Member] \| Certain Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted (shares)			242,587

Deposits - Summary of Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Deposits [Abstract]
GPR deposits	$ 559,977	$ 529,779
Other demand deposits	31,920	19,631
Total non-interest bearing deposit accounts	591,897	549,410
Negotiable order of withdrawal (NOW)	1,018	905
Savings	7,791	7,985
Time deposits, denominations greater than or equal to $100	5,465	5,263
Time deposits, denominations less than $100	1,910	1,838
Total interest-bearing deposit accounts	16,184	15,991
Total deposits	$ 608,081	$ 565,401

Deposits - Contractual Maturities (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Time Deposits, Fiscal Year Maturity [Abstract]
Due in 2015	$ 1,843
Due in 2016	2,731
Due in 2017	2,271
Due in 2018	58
Due in 2019	336
Thereafter	136
Total time deposits	$ 7,375

Note Payable - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended	6 Months Ended
Note Payable - Narrative (Details) - USD ($)	Oct. 31, 2014	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2014
Debt Instrument [Line Items]
Repayments of Notes Payable			$ 11,250,000	$ 0
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 225,000,000
Potential maximum borrowing capacity increase	$ 50,000,000
Effective interest rate (percent)		2.94%	2.94%
Interest expense		$ 1,100,000	$ 2,200,000
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Line of Credit [Member] \| Base Rate, Condition One [Member]
Debt Instrument [Line Items]
Spread on interest rate (percent)	0.50%
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Line of Credit [Member] \| Base Rate, Condition Two [Member]
Debt Instrument [Line Items]
Spread on interest rate (percent)	1.00%
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Minimum [Member] \| Line of Credit [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.50%
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Minimum [Member] \| Line of Credit [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.50%
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Maximum [Member] \| Line of Credit [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	3.00%
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Maximum [Member] \| Line of Credit [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.00%
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Revolving Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 75,000,000
Debt term	5 years
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Term Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 150,000,000
Debt term	5 years
Line of Credit Facility, Periodic Payment, Principal		$ 5,600,000
Repayments of Notes Payable			$ 11,200,000

Note Payable - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total notes payable	$ 138,750	$ 150,000
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Total notes payable	138,750	150,000
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Line of Credit [Member] \| Term Facility [Member]
Debt Instrument [Line Items]
Total notes payable	138,750	150,000
Bank Of America, N.A., Wells Fargo Bank, National Association, And Other Lenders [Member] \| Line of Credit [Member] \| Revolving Facility [Member]
Debt Instrument [Line Items]
Total notes payable	$ 0	$ 0

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References + Details

Income Taxes - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Operating Loss Carryforwards [Line Items]
U.S. federal statutory tax rate (percent)	35.00%	35.00%
Unrecognized tax benefits, income tax penalties and interest accrued	$ 300
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	7,044	$ 4,400
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	46,800
State Tax [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	40,300
State Tax [Member] \| Between Tax Year 2028 and 2034 [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	4,100
State Tax [Member] \| Tax Year 2024 [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 1,400

Income Taxes - Effective Tax Rate Reconciliation (Details)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory tax rate	35.00%	35.00%
State income taxes, net of federal tax benefit	2.50%	1.80%
General business credits	(1.10%)	(1.10%)
Employee stock-based compensation	1.00%	1.10%
Other	1.30%	0.60%
Effective tax rate	38.70%	37.40%

Income Taxes - Rollforward of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	$ 6,190	$ 3,724
Increases related to positions taken during the current year	854	676
Ending balance	7,044	4,400
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	$ 7,044	$ 4,400

Earnings per Common Share - Basic Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 3,496	$ 14,343	$ 44,309	$ 29,648
Income attributable to preferred stock	(99)	(1,703)	(1,263)	(3,966)
Income attributable to common stock subject to repurchase	(1)	(138)	(48)	(324)
Net income allocated to Class A common stockholders	$ 3,396	$ 12,502	$ 42,998	$ 25,358
Weighted-average Class A shares issued and outstanding	51,811	39,394	51,631	38,433
Basic earnings per Class A common share, in usd per share	$ 0.07	$ 0.32	$ 0.83	$ 0.66
Re-allocated earnings	$ 1	$ 26	$ 12	$ 96
Diluted net income allocated to Class A common stockholders	$ 3,397	$ 12,528	$ 43,010	$ 25,454
Diluted weighted-average Class A shares issued and outstanding	52,275	40,052	52,104	39,466
Diluted earnings per Class A common share, in usd per share	$ 0.06	$ 0.31	$ 0.83	$ 0.64
Stock Options [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares	272	515	276	831
Restricted Stock Units (RSUs) [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares	185	138	189	195
Employee Stock Purchase Plan [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares	7	5	8	7
Common Class A [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average Class A shares issued and outstanding	51,811	39,394	51,631	38,433
Basic earnings per Class A common share, in usd per share	$ 0.07	$ 0.32	$ 0.83	$ 0.66
Diluted weighted-average Class A shares issued and outstanding	52,275	40,052	52,104	39,466
Diluted earnings per Class A common share, in usd per share	$ 0.06	$ 0.31	$ 0.83	$ 0.64

Earnings per Common Share - Antidilutive Shares (Details) - Common Class A [Member] - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Antidilutive Shares [Line Items]
Antidilutive shares	2,397	6,099	2,401	6,654
Stock Options [Member]
Antidilutive Shares [Line Items]
Antidilutive shares	794	673	789	608
Restricted Stock Units (RSUs) [Member]
Antidilutive Shares [Line Items]
Antidilutive shares	85	57	96	35
Convertible preferred stock [Member]
Antidilutive Shares [Line Items]
Antidilutive shares	1,518	5,369	1,516	6,011

Fair Value Measurements - Contingent Consideration Payable (Details) - Contingent Consideration - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 15,375	$ 23,160
Payments of contingent consideration	(499)	(668)
Change in fair value of contingent consideration	100	(7,516)
Balance, end of period	$ 14,976	$ 14,976

Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Loans to Bank Customers, Carrying Amount	$ 6,451	$ 6,550
Loans to Bank Customers, Fair Value	5,170	5,399
Deposits, Carrying Value	608,081	565,401
Deposits, Fair Value	608,018	565,345
Note payable, Carrying Value	138,750	150,000
Note payable, Fair Value	$ 138,750	$ 150,000

- Definition

+ References + Details

Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Line of Credit [Member] \| Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Letters of Credit Outstanding, Amount	$ 1.5	$ 1.5

Significant Customer Concentrations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Concentration Risk [Line Items]
Stock-based retailer incentive compensation	$ 614	$ 2,022	$ 2,520	$ 4,410
Customer Concentration Risk [Member] \| Total Operating Revenues [Member] \| Walmart [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	48.00%	54.00%	42.00%	58.00%
Customer Concentration Risk [Member] \| Total Operating Revenues, Excluding Stock-Based Retailer Incentive Compensation [Member] \| Walmart [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	48.00%	55.00%	43.00%	58.00%
Customer Concentration Risk [Member] \| GPR Cards Activated (in units) [Member] \| Four Largest Retailers Distributors [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	59.00%	71.00%	60.00%	72.00%
Customer Concentration Risk [Member] \| Sales of Cash Transfer Products (in units) [Member] \| Four Largest Retailers Distributors [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	81.00%	80.00%	81.00%	81.00%
Customer Concentration Risk [Member] \| Settlement Assets [Member] \| Walmart [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (balance sheet disclosures)	63.00%		63.00%		22.00%
Customer Concentration Risk [Member] \| Settlement Assets [Member] \| Three Other Largest Retailer Distributors, as a Group [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (balance sheet disclosures)	13.00%		13.00%		6.00%

Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Segment Information (Details) $ in Thousands	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) segment	Jun. 30, 2014 USD ($)	Dec. 31, 2014 segment
Segment Reporting [Abstract]
Number of reportable segments \| segment			2		1
Segment Reporting Information [Line Items]
Segment revenues	$ 170,247	$ 147,016	$ 397,412	$ 306,285
Segment expenses	163,329	125,284	324,598	260,893
Operating income	6,918	$ 21,732	72,814	$ 45,392
Account Services Segment [Member]
Segment Reporting Information [Line Items]
Segment revenues	134,772		282,631
Segment expenses	112,827		230,980
Operating income	21,945		51,651
Processing and Settlement Services Segment [Member]
Segment Reporting Information [Line Items]
Segment revenues	42,631		132,807
Segment expenses	30,363		67,220
Operating income	12,268		65,587
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment revenues	(7,156)		(18,026)
Segment expenses	20,139		26,398
Operating income	$ (27,295)		$ (44,424)

Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	$ 199,179	$ 120,431
Corporate Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	36,869	40,389
Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	36,788	7,649
US Treasury Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	26,284	14,771
Agencies Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value		2,950
Municipal Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	2,188	5,595
Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	17,773	13,715
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	199,179	120,431
Contingent consideration, fair value	14,976	23,160
Recurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	199,179	120,431
Recurring \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Contingent consideration, fair value	14,976	23,160
Recurring \| Corporate Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	36,869	40,389
Recurring \| Corporate Bonds \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Corporate Bonds \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	36,869	40,389
Recurring \| Corporate Bonds \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	36,788	7,649
Recurring \| Commercial Paper \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Commercial Paper \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	36,788	7,649
Recurring \| Commercial Paper \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| US Treasury Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	26,284	14,771
Recurring \| US Treasury Notes \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| US Treasury Notes \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	26,284	14,771
Recurring \| US Treasury Notes \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	79,277	35,362
Recurring \| Mortgage-backed securities \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Mortgage-backed securities \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	79,277	35,362
Recurring \| Mortgage-backed securities \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Agencies Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value		2,950
Recurring \| Agencies Securities \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value		0
Recurring \| Agencies Securities \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value		2,950
Recurring \| Agencies Securities \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value		0
Recurring \| Municipal Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	2,188	5,595
Recurring \| Municipal Bonds \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Municipal Bonds \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	2,188	5,595
Recurring \| Municipal Bonds \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	17,773	13,715
Recurring \| Asset-backed Securities \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Recurring \| Asset-backed Securities \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	17,773	13,715
Recurring \| Asset-backed Securities \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	$ 0	$ 0