Segment Reporting and Major Customers - Total Assets by Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Segment Reporting
Total assets	$ 6,350,680	$ 6,366,177
Operating Segments | Issuer Solutions
Segment Reporting
Total assets	5,888,921	5,892,410
Operating Segments | Merchant Solutions
Segment Reporting
Total assets	3,269,813	3,295,509
Operating Segments | Netspend
Segment Reporting
Total assets	1,492,632	1,474,595
Intersegment Elimination
Segment Reporting
Total assets	$ (4,300,686)	$ (4,296,337)