Loans Held for Sale, at Fair Value - Fair Value Adjustments on Loans Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accounts and Financing Receivables, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance [Abstract]
Interest income on loans held for sale	$ 7,409	$ 7,180	$ 19,682	$ 17,286
Gains (losses) recognized on change in fair value on loans held for sale	$ 3,937	$ (48,098)	$ (550)	$ (36,271)