v3.26.3
Equity Investments, at Fair Value - Schedule of Income (Loss) From Investments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 15, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Schedule of Equity Method Investments [Line Items]          
Unrealized losses   $ 471,875 $ (54,852) $ 542,942 $ (197,670)
Equity Method Investments          
Schedule of Equity Method Investments [Line Items]          
Total (Loss) Income - Multi-Family Preferred Equity Ownership Interests   $ (3,196) (1,642) $ (2,706) 2,959
Equity Method Investments | Single-Family Equity Ownership Interest          
Schedule of Equity Method Investments [Line Items]          
Total (Loss) Income - Multi-Family Preferred Equity Ownership Interests     47   (1,554)
Equity Method Investments | Joint Venture Equity Investments in Multi-Family Properties          
Schedule of Equity Method Investments [Line Items]          
Total (Loss) Income - Multi-Family Preferred Equity Ownership Interests     0   (838)
Unrealized losses         800
Constructive Loans LLC          
Schedule of Equity Method Investments [Line Items]          
Purchase of residential loans     70,900   299,600
Constructive Loans LLC | Residential loans          
Schedule of Equity Method Investments [Line Items]          
Sale of residential loans $ 18,700        
Realized gain         200
Constructive Loans LLC | Equity Method Investments | Single-Family Equity Ownership Interest          
Schedule of Equity Method Investments [Line Items]          
Total (Loss) Income - Multi-Family Preferred Equity Ownership Interests     47   (1,554)
Unrealized losses         4,400
GWR Cedars Partners, LLC | Equity Method Investments | Joint Venture Equity Investments in Multi-Family Properties          
Schedule of Equity Method Investments [Line Items]          
Total (Loss) Income - Multi-Family Preferred Equity Ownership Interests     0   39
GWR Gateway Partners, LLC | Equity Method Investments | Joint Venture Equity Investments in Multi-Family Properties          
Schedule of Equity Method Investments [Line Items]          
Total (Loss) Income - Multi-Family Preferred Equity Ownership Interests     $ 0   $ (877)