v3.25.4
Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) - Narrative (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
USD ($)
securitization
Dec. 31, 2024
USD ($)
jointVenture
securitization
Dec. 31, 2023
USD ($)
Variable Interest Entity [Line Items]      
Number of securitizations completed | securitization 4 5  
Proceeds from securitizations of loans held-for-investment $ 945,500 $ 1,300,000  
Number of securitizations optional redemption right exercised | securitization 3 2  
Loss on extinguishment of collateralized debt obligations and mortgages payable on real estate $ 884 $ 2,864 $ 796
Redeemable non-controlling interest in consolidated variable interest entities 3,016 12,359  
VIE, Primary Beneficiary      
Variable Interest Entity [Line Items]      
Redeemable non-controlling interest in consolidated variable interest entities 2,600    
Redemption of redeemable non-controlling interest $ 500 $ 626 $ 485
VIE, Primary Beneficiary | Multi-Family - Operating      
Variable Interest Entity [Line Items]      
Number of equity investments sold | jointVenture   9  
VIE, Primary Beneficiary | Consolidated SLST      
Variable Interest Entity [Line Items]      
Number of securitization trusts | securitization 3 2  
VIE, Primary Beneficiary | Consolidated SLST | Level 3      
Variable Interest Entity [Line Items]      
Variable interest entity, primary beneficiary, maximum loss exposure, amount $ 151,500 $ 148,500  
Residential loans held in securitization trusts      
Variable Interest Entity [Line Items]      
Proceeds from residential loan securitization redemption 424,600 193,300  
Loss on extinguishment of collateralized debt obligations and mortgages payable on real estate $ 0 $ 700