Segment Reporting and Major Customers - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 104,178	$ 67,583
Acquisition intangible amortization	55,167	22,921
Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	47,967	43,779
Operating Segments | Issuer Solutions
Segment Reporting Information [Line Items]
Depreciation and amortization	36,853	35,619
Operating Segments | Merchant Solutions
Segment Reporting Information [Line Items]
Depreciation and amortization	7,022	5,050
Operating Segments | Netspend
Segment Reporting Information [Line Items]
Depreciation and amortization	4,092	3,110
Corporate Administration and Other
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 1,044	$ 883