Revenue - Summary of Disaggregation of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Revenue
Total Revenue		$ 77,325	$ 80,720
Elimination of Intersegment Revenues
Revenue
Total Revenue	[1]	(5,605)	(5,093)
Consumer Payments | Operating Segments
Revenue
Total Revenue		71,942	76,136
Business Payments | Operating Segments
Revenue
Total Revenue		10,988	9,677
Direct Relationships
Revenue
Total Revenue		74,426	77,689
Direct Relationships | Elimination of Intersegment Revenues
Revenue
Total Revenue		(5,605)	(5,093)
Direct Relationships | Consumer Payments | Operating Segments
Revenue
Total Revenue		69,254	73,311
Direct Relationships | Business Payments | Operating Segments
Revenue
Total Revenue		10,777	9,471
Indirect Relationships
Revenue
Total Revenue		2,899	3,031
Indirect Relationships | Consumer Payments | Operating Segments
Revenue
Total Revenue		2,688	2,825
Indirect Relationships | Business Payments | Operating Segments
Revenue
Total Revenue		$ 211	$ 206

[1] Represents revenue eliminations between business units within the Consumer Payments segment and eliminations of intersegment revenues for consolidation purpose.