Loans Held for Sale or Investment at Fair Value - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loan commitments	$ 13,655
Total loans at fair value	5,633	$ 83,143
Loans Held for Sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loan commitments	7,420	15,080
Less: construction holdbacks	(2,988)	(3,350)
Total principal outstanding	4,432	11,730
Change in fair value of loans	24	(137)
Total loans at fair value	4,456	11,593
Loans Held for Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loan commitments	6,235	98,157
Less: construction holdbacks	(214)	(13,188)
Total principal outstanding	6,021	84,969
Change in fair value of loans	(388)	(1,826)
Total loans at fair value	$ 5,633	$ 83,143