Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

No definition available.

Name:	us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair Value Measurements - Summary of Fair Value Measurement Liabilities Measured On Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Liabilities:
Total liabilities measured at fair value	$ 0	$ 2,112
Level 3
Liabilities:
Total liabilities measured at fair value		2,112
Redeemable Convertible Preferred Stock
Liabilities:
Total liabilities measured at fair value		2,112
Redeemable Convertible Preferred Stock \| Level 3
Liabilities:
Total liabilities measured at fair value		$ 2,112