Subsequent Events - Narrative (Details) - USD ($)			1 Months Ended
	Apr. 25, 2023	Oct. 01, 2022	Jan. 31, 2023	Apr. 28, 2023	Mar. 10, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2020
Subsequent Event [Line Items]
Outstanding face amount/Carrying value						$ 20,613,000	$ 20,613,000
Exercise price per share (in dollars per share)								$ 11.50
Shares (in shares)								9,900,000
Common Class EX
Subsequent Event [Line Items]
Conversion of stock, shares converted (in shares)		308,085
Class A Common Stock
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)						$ 0.0001	$ 0.0001
Convertible, conversion price (in dollars per share)		$ 1.25
Conversion of stock, shares issued (in shares)		308,085
Subsequent Event
Subsequent Event [Line Items]
Deposits with other federal home loan banks					$ 64,000,000
Cash					$ 73,200,000
Subsequent Event | Loan Repurchase, Indirect Channel Loans | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Subsequent Event [Line Items]
Disposal group, including discontinued operation, consideration				$ 296,000,000
Subsequent Event | CRB
Subsequent Event [Line Items]
Warrants exercisable (in shares)	25,944,541
Exercise price per share (in dollars per share)	$ 0.01
Shares (in shares)	12,907,080
Remaining warrants (in shares)	13,037,461
Subsequent Event | CRB | Secured Term Loan
Subsequent Event [Line Items]
Percentage of principal amount	4.00%
Upfront fee	$ 2,658,000
Commitment fee percentage	14.00%
Maximum facility size	$ 100,000,000
Financial covenants	$ 20,000,000
Percentage of cash with CRB and affiliates	75.00%
Subsequent Event | Secured Term Loan, Tranche One | CRB | Secured Term Loan
Subsequent Event [Line Items]
Outstanding face amount/Carrying value	$ 38,800,000
Subsequent Event | Secured Term Loan, Tranche Two | CRB | Secured Term Loan
Subsequent Event [Line Items]
Outstanding face amount/Carrying value	$ 49,800,000
Subsequent Event | Common Class EX
Subsequent Event [Line Items]
Conversion of stock, shares converted (in shares)			2,314,143
Convertible, conversion price (in dollars per share)			$ 1.29
Subsequent Event | Class A Common Stock
Subsequent Event [Line Items]
Convertible, number of equity instruments (in shares)			2,305,426
Conversion of stock, shares issued (in shares)			997,399
Share held in treasury delivered (in shares)			1,308,027
Subsequent Event | Class A Common Stock | CRB
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)	$ 0.0001