Summary of Significant Accounting Policies - Schedule of Settlement and Merchant Reserve Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Settlement And Merchant Reserve Assets And Liabilities [Abstract]
Settlement and merchant reserve assets	$ 156,666	$ 171,505
Merchant reserve assets	15,943	14,762
Total	172,609	186,267	$ 158,925
Settlement liabilities	155,311	170,514
Merchant reserve liabilities	15,881	14,762
Total	$ 171,192	$ 185,276