Segment Reporting - Revenue and EBITDA from Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting
Total net sales	$ 124,751	$ 105,863	$ 355,505	$ 341,675
Cost of sales	80,053	69,711	226,901	221,604
Gross profit	44,698	36,152	128,604	120,071
Operating expenses	26,900	23,191	81,752	69,020
Income from operations	17,798	12,961	46,852	51,051
EBITDA by segment:
Income (loss) from operations	17,798	12,961	46,852	51,051
Depreciation and amortization	4,153	4,005	12,218	11,870
Other income (expense)	(3,521)	(53)	(3,664)	(245)
EBITDA	18,430	16,913	55,406	62,676
Operating Segments | Debit and Credit
Segment Reporting
Total net sales	99,755	83,780	283,348	278,959
Cost of sales	63,624	55,399	181,558	179,356
Gross profit	36,131	28,381	101,790	99,603
Operating expenses	9,096	7,590	26,612	23,705
Income from operations	27,035	20,791	75,178	75,898
EBITDA by segment:
Income (loss) from operations	27,035	20,791	75,178	75,898
Depreciation and amortization	2,198	2,322	6,585	6,836
Other income (expense)	31	(27)	(32)	(1)
EBITDA	29,264	23,086	81,731	82,733
Operating Segments | Prepaid Debit
Segment Reporting
Total net sales	25,173	22,335	73,186	63,286
Cost of sales	16,606	14,564	46,372	42,818
Gross profit	8,567	7,771	26,814	20,468
Operating expenses	1,456	1,140	4,049	2,532
Income from operations	7,111	6,631	22,765	17,936
EBITDA by segment:
Income (loss) from operations	7,111	6,631	22,765	17,936
Depreciation and amortization	1,061	675	2,827	2,003
Other income (expense)	(1)	(2)	(3)	(1)
EBITDA	8,171	7,304	25,589	19,938
Operating Segments | Other
Segment Reporting
Operating expenses	16,348	14,461	51,091	42,783
Income from operations	(16,348)	(14,461)	(51,091)	(42,783)
EBITDA by segment:
Income (loss) from operations	(16,348)	(14,461)	(51,091)	(42,783)
Depreciation and amortization	894	1,008	2,806	3,031
Other income (expense)	(3,551)	(24)	(3,629)	(243)
EBITDA	(19,005)	(13,477)	(51,914)	(39,995)
Intersegment eliminations
Segment Reporting
Total net sales	(177)	(252)	(1,029)	(570)
Cost of sales	$ (177)	$ (252)	$ (1,029)	$ (570)