Segment Information - Schedule of Reportable Segments and Reconciliation to Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Revenues	$ 249,558	$ 224,630
Cost of revenue (excludes depreciation and amortization)	(150,787)	(137,353)
Segment Adjusted EBITDA	79,865	71,663
Merchant Solutions
Segment Reporting Information [Line Items]
Revenues	160,278	151,241
Other operating expenses	(9,830)	(8,213)
Other segment items	881	800
Segment Adjusted EBITDA	27,740	25,705
Payables
Segment Reporting Information [Line Items]
Revenues	32,029	23,594
Other operating expenses	(3,815)	(3,929)
Other segment items	46	151
Segment Adjusted EBITDA	5,454	3,516
Treasury Solutions
Segment Reporting Information [Line Items]
Revenues	57,251	49,795
Other operating expenses	(6,273)	(4,609)
Other segment items	78	186
Segment Adjusted EBITDA	46,671	42,442
Eliminations
Segment Reporting Information [Line Items]
Revenues	(3,509)	(1,066)
Cost of revenue (excludes depreciation and amortization)	(3,502)	(1,065)
Eliminations \| Merchant Solutions
Segment Reporting Information [Line Items]
Revenues	(1,508)	(449)
Eliminations \| Payables
Segment Reporting Information [Line Items]
Revenues	(412)	(324)
Eliminations \| Treasury Solutions
Segment Reporting Information [Line Items]
Revenues	(1,589)	(293)
Operating Segments
Segment Reporting Information [Line Items]
Revenues	253,067	225,696
Operating Segments \| Merchant Solutions
Segment Reporting Information [Line Items]
Revenues	161,786	151,690
Cost of revenue (excludes depreciation and amortization)	(125,097)	(118,572)
Operating Segments \| Payables
Segment Reporting Information [Line Items]
Revenues	32,441	23,918
Cost of revenue (excludes depreciation and amortization)	(23,218)	(16,624)
Operating Segments \| Treasury Solutions
Segment Reporting Information [Line Items]
Revenues	58,840	50,088
Cost of revenue (excludes depreciation and amortization)	$ (5,974)	$ (3,223)