Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue
Total net sales	$ 124,751	$ 105,863	$ 355,505	$ 341,675
Operating Segments | Debit and Credit
Disaggregation of Revenue
Total net sales	99,755	83,780	283,348	278,959
Operating Segments | Prepaid Debit
Disaggregation of Revenue
Total net sales	25,173	22,335	73,186	63,286
Intersegment eliminations
Disaggregation of Revenue
Total net sales	(177)	(252)	(1,029)	(570)
Products
Disaggregation of Revenue
Total net sales	69,648	55,689	191,650	195,425
Products | Operating Segments | Debit and Credit
Disaggregation of Revenue
Total net sales	69,803	55,934	192,635	195,967
Products | Intersegment eliminations
Disaggregation of Revenue
Total net sales	(155)	(245)	(985)	(542)
Services
Disaggregation of Revenue
Total net sales	55,103	50,174	163,855	146,250
Services | Operating Segments | Debit and Credit
Disaggregation of Revenue
Total net sales	29,952	27,846	90,713	82,992
Services | Operating Segments | Prepaid Debit
Disaggregation of Revenue
Total net sales	25,173	22,335	73,186	63,286
Services | Intersegment eliminations
Disaggregation of Revenue
Total net sales	$ (22)	$ (7)	$ (44)	$ (28)