Certain Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued costs of revenue	$ 85,745	$ 73,645
Accrued compensation and benefits	45,754	42,095
Deferred revenue	13,593	11,829
Due to Issuing Banks	7,721	7,892
Accrued tax liabilities	5,434	4,929
Accrued professional services	3,567	4,559
Operating lease liabilities, current portion	4,627	3,908
Reserve for contract contingencies and processing errors	1,862	3,754
Other accrued liabilities	8,756	8,903
Accrued expenses and other current liabilities	$ 177,059	$ 161,514
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities