Segment Reporting - Revenue and EBITDA from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting
Revenue	$ 278,073	$ 255,814
EBITDA	41,215	22,698
U.S. Debit and Credit
Segment Reporting
EBITDA	46,227	34,213
U.S. Prepaid Debit
Segment Reporting
EBITDA	22,456	23,782
Other
Segment Reporting
EBITDA	(27,468)	(35,297)
Operating Segments | U.S. Debit and Credit
Segment Reporting
Revenue	213,141	178,597
Operating Segments | U.S. Prepaid Debit
Segment Reporting
Revenue	64,330	69,199
Operating Segments | Other
Segment Reporting
Revenue	1,679	9,891
Intersegment eliminations
Segment Reporting
Revenue	$ (1,077)	$ (1,873)