Loans Held for Sale, at Fair Value - Schedule of Loans Held for Sale at Cost Basis and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 1,141,298	$ 913,302
Cost Basis
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	1,131,895	901,132
Fair Value
Accounts, Notes, Loans and Financing Receivable
Loans held for sale, at fair value	$ 1,141,298	$ 913,302