Loans Held for Sale, at Fair Value - Summary of Loans Held for Sale at Cost Basis and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 505,668	$ 528,944
Cost Basis
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	496,465	502,282
Fair Value
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 505,668	$ 528,944