Fair Value - Loans That Were Greater Than 90 Days Past Due and On Non-Accrual Status (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Loans held for investment, subject to nonrecourse debt
UPB	$ 0	$ 32,067
Fair Value	0	19,362
Difference	0	(12,705)
Loans held for investment
UPB	7,019	222
Fair Value	6,142	155
Difference	(877)	(67)
Total loans 90 days or more past due and on non-accrual status, UPB	7,019	32,289
Total loans 90 days or more past due and on non-accrual status, Fair Value	6,142	19,517
Total loans 90 days or more past due and on non-accrual status, Difference	$ (877)	$ (12,772)