v3.26.1
Equity Method Investments - Schedule of Equity Method Investments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]    
Investment Basis $ 29,157 $ 54,429
Share of Investee's Net Assets 16,546 29,906
Basis Difference 12,611 24,523
Share of Earnings (Loss) (1,289) 1,465
Fair Value $ 351,458 $ 398,491
Sandstone Pasadena Apartments, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 50.00% 50.00%
Investment Basis $ 8,114 $ 10,055
Share of Investee's Net Assets (9,590) (9,590)
Basis Difference 17,704 19,645
Share of Earnings (Loss) $ (1,741) $ 70
AM Uptown Hotel, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 60.00% 60.00%
Investment Basis $ (4,631) $ 18,081
Share of Investee's Net Assets 339 14,970
Basis Difference (4,970) 3,111
Share of Earnings (Loss) $ 57 $ (155)
Las Vegas Land Owner, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 77.00% 77.00%
Investment Basis $ 12,324 $ 12,321
Share of Investee's Net Assets 12,324 12,321
Basis Difference 0 0
Share of Earnings (Loss) $ 3 $ 10
Perilune Aero Equity Holdings One, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 16.40% 16.40%
Investment Basis $ 12,650 $ 13,565
Share of Investee's Net Assets 11,756 10,488
Basis Difference 894 3,077
Share of Earnings (Loss) $ 100 $ 1,414
Capital Acquisitions Partners, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 20.90% 20.90%
Investment Basis $ 700 $ 407
Share of Investee's Net Assets 1,717 1,717
Basis Difference (1,017) (1,310)
Share of Earnings (Loss) $ 292 $ 126
Claymore Holdings, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 50.00% 50.00%
Fair Value $ 0 $ 0
Allenby, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership   50.00%
Fair Value   $ 0
Haygood, LLC.    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership   31.00%
Fair Value   $ 0
NexPoint Real Estate Finance Operating Partnership, L.P.    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 12.90% 15.60%
Fair Value $ 56,557 $ 76,396
NexPoint Real Estate Finance, Inc.    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 15.90% 12.00%
Fair Value $ 41,568 $ 32,949
VineBrook Homes Operating Partnership, L.P.    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 12.30% 11.40%
Fair Value $ 118,599 $ 151,706
NexPoint Storage Partners, Inc.    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 53.00% 52.80%
Fair Value $ 51,673 $ 62,709
NexPoint Storage Partners Operating Company, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 33.80% 29.50%
Fair Value $ 34,470 $ 34,172
NexPoint SFR Operating Partnership, L.P.    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 28.00% 30.80%
Fair Value $ 28,573 $ 37,953
LLV Holdco, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 26.80% 26.80%
Fair Value $ 1,598 $ 2,606
AMS C-Store JV, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage Ownership 100.00%  
Fair Value $ 18,420