Overview, Basis of Presentation and Significant Accounting Policies - Schedule of PSPs Each Represented 10% or More of Funds Receivable Balance (Details) - Funds Receivable - Credit Concentration Risk	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
PSP 1
Concentration Risk [Line Items]
Percentage of funds receivable balance	55.00%	62.00%
PSP 2
Concentration Risk [Line Items]
Percentage of funds receivable balance	37.00%	32.00%