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Summary of Significant Accounting Policies - Summary of Payment Service Obligations (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Accounting Policies [Abstract]    
Outstanding Transaction Liabilities $ 994,309 $ 1,210,342
Other unregulated settlements 29,593 32,004
Total payment service obligations $ 1,023,902 $ 1,242,346