Loans Held for Sale, at Fair Value - Summary of Loans Held for Sale at Cost Basis and Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 936,970	$ 138,345
Cost Basis
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	941,457	137,633
Fair Value
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 936,970	$ 138,345