Segment Information - Schedule of Reportable Segments and Reconciliation to Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Revenues	$ 262,256	$ 239,812	$ 511,814	$ 464,442
Cost of revenue (excludes depreciation and amortization)	(162,358)	(147,399)	(313,145)	(284,752)
Segment Adjusted EBITDA	81,510	77,077	161,375	148,741
Merchant Solutions
Segment Reporting [Line Items]
Revenues	174,008	162,788	334,286	314,029
Other operating expenses	(10,095)	(8,367)	(19,925)	(16,580)
Other segment items	1,159	700	2,040	1,500
Segment Adjusted EBITDA	30,887	27,749	58,627	53,454
Payables
Segment Reporting [Line Items]
Revenues	30,057	24,668	62,086	48,356
Other operating expenses	(3,461)	(3,606)	(7,276)	(7,534)
Other segment items	47	94	93	245
Segment Adjusted EBITDA	3,110	3,770	8,564	7,286
Treasury Solutions
Segment Reporting [Line Items]
Revenues	58,191	52,356	115,442	102,057
Other operating expenses	(6,499)	(4,457)	(12,772)	(9,066)
Other segment items	447	296	525	481
Segment Adjusted EBITDA	47,513	45,558	94,184	88,001
Eliminations
Segment Reporting [Line Items]
Revenues	(4,471)	(1,109)	(7,980)	(2,175)
Cost of revenue (excludes depreciation and amortization)	(4,457)	(1,105)	(7,959)	(2,170)
Eliminations \| Merchant Solutions
Segment Reporting [Line Items]
Revenues	(1,770)	(442)	(3,278)	(891)
Eliminations \| Payables
Segment Reporting [Line Items]
Revenues	(373)	(365)	(785)	(595)
Eliminations \| Treasury Solutions
Segment Reporting [Line Items]
Revenues	(2,328)	(302)	(3,917)	(689)
Operating Segments
Segment Reporting [Line Items]
Revenues	266,727	240,921	519,794	466,617
Operating Segments \| Merchant Solutions
Segment Reporting [Line Items]
Revenues	175,778	163,230	337,564	314,920
Cost of revenue (excludes depreciation and amortization)	(135,955)	(127,814)	(261,052)	(246,386)
Operating Segments \| Payables
Segment Reporting [Line Items]
Revenues	30,430	25,033	62,871	48,951
Cost of revenue (excludes depreciation and amortization)	(23,906)	(17,751)	(47,124)	(34,376)
Operating Segments \| Treasury Solutions
Segment Reporting [Line Items]
Revenues	60,519	52,658	119,359	102,746
Cost of revenue (excludes depreciation and amortization)	$ (6,954)	$ (2,939)	$ (12,928)	$ (6,160)