Commitment and Contingencies - Schedule of Reserve for Transaction Losses (Details) - Transaction losses - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loss Contingency Accrual [Roll Forward]
Beginning balance	$ 3,250	$ 798	$ 497
Provisions for transaction losses	29,596	19,663	7,859
Losses incurred, net of recoveries	(29,712)	(17,211)	(7,558)
Ending balance	$ 3,134	$ 3,250	$ 798

Loss Contingency, Charge-Off (Recoveries)

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

+ Details

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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