Real Estate Owned - Summary of Changes In Real Estate Owned Held-For-Investment, Net (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2026 USD ($)
Real Estate [Abstract]
Total, Gross Cost	$ 736,736
Total, Accumulated Depreciation	(6,731)
Total, Real Estate Owned Held-for-Investment, Net	730,005
Foreclosure of multifamily property including capitalized transaction costs, Gross Cost	59,233
Foreclosure of multifamily property including capitalized transaction costs, Real Estate Owned Held-for-Investment, Net	59,233
Capital expenditures, Gross Cost	8,099
Capital expenditures, Real Estate Owned Held-for-Investment, Net	8,099
Sale of multifamily property	(47,502)
Sale of multifamily property, Accumulaed Depreciation	883
Sale of multifamily property, Real Estate Owned Held-for-Investment, Net	(46,619)
Transfer to held-for-sale	(93,302)
Transfer to held-for-sale, Accumulated Depreciation	2,135
Transfer to held-for-sale, Real Estate Owned Held-for-Investment, Net	(91,167)
Depreciation expense, Accumulated Depreciation	(12,811)
Depreciation Expense, Real Estate Owned Held-for-Investment,Net	(12,811)
Total, Gross Cost	663,264
Total, Accumulated Depreciation	(16,524)
Total, Real Estate Owned Held-for-Investment, Net	$ 646,740