Loans Held for Sale, at Fair Value - Summary of Loans Held for Sale at Cost Basis and Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 138,345	$ 1,072,479
Cost Basis
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	137,633	1,051,220
Fair Value
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 138,345	$ 1,072,479