Intangible Assets - Definite-lived (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 383,791	$ 379,958
Accumulated Amortization	(263,180)	(231,494)
Net Carrying Amount	120,611	148,464
Merchant and Bank Branding Contracts / Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	353,334	350,211
Accumulated Amortization	(248,428)	(219,498)
Net Carrying Amount	104,906	130,713
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,618	11,646
Accumulated Amortization	(3,674)	(2,859)
Net Carrying Amount	7,944	8,787
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,718	10,751
Accumulated Amortization	(4,781)	(3,750)
Net Carrying Amount	5,937	7,001
Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,351	4,454
Accumulated Amortization	(4,057)	(3,935)
Net Carrying Amount	294	519
Deferred Financing Costs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,770	2,896
Accumulated Amortization	(2,240)	(1,452)
Net Carrying Amount	$ 1,530	$ 1,444