Segment Reporting - Revenue and EBITDA from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting
Net sales	$ 444,547	$ 475,745
Cost of sales	289,058	299,978
Gross profit	155,489	175,767
Operating expenses	93,899	96,637
Income from operations	61,590	79,130
EBITDA by segment:
Income (loss) from operations	61,590	79,130
Depreciation and amortization	15,931	14,886
Other income (expenses)	(215)	(367)
EBITDA	77,306	93,649
Operating Segments | Debit and Credit
Segment Reporting
Net sales	361,057	390,559
Cost of sales	234,281	246,345
Gross profit	126,776	144,214
Operating expenses	31,870	34,169
Income from operations	94,906	110,045
EBITDA by segment:
Income (loss) from operations	94,906	110,045
Depreciation and amortization	9,025	8,440
Other income (expenses)	29	(7)
EBITDA	103,960	118,478
Operating Segments | Prepaid Debit
Segment Reporting
Net sales	84,237	86,136
Cost of sales	55,524	54,583
Gross profit	28,713	31,553
Operating expenses	3,786	5,976
Income from operations	24,927	25,577
EBITDA by segment:
Income (loss) from operations	24,927	25,577
Depreciation and amortization	2,860	2,310
Other income (expenses)	(1)	(43)
EBITDA	27,786	27,844
Operating Segments | Other
Segment Reporting
Operating expenses	58,243	56,492
Income from operations	(58,243)	(56,492)
EBITDA by segment:
Income (loss) from operations	(58,243)	(56,492)
Depreciation and amortization	4,046	4,136
Other income (expenses)	(243)	(317)
EBITDA	(54,440)	(52,673)
Intersegment eliminations
Segment Reporting
Net sales	(747)	(950)
Cost of sales	$ (747)	$ (950)