v3.26.3
Debt - Schedule of Collateralized Loan Obligations (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Assets        
Cash and cash equivalents $ 100,821 $ 167,292 $ 116,652 $ 184,443
Total commercial mortgage loans, held for investment, net [1] 3,967,590 4,383,134    
Accrued interest receivable 29,907 41,468    
Total assets 6,025,138 6,057,250    
Liabilities        
Notes payable 24,186 23,998    
Accrued interest payable 14,837 16,110    
Total liabilities 4,583,003 4,436,025    
Allowance for credit loss [1] 71,932 38,302    
U.S. Bank National Association | Secured debt        
Liabilities        
Notes payable 3,328,702 3,510,608    
Variable Interest Entity, Primary Beneficiary        
Assets        
Cash and cash equivalents 12,386 51,153    
Total commercial mortgage loans, held for investment, net 3,234,613 3,317,040    
Accrued interest receivable 15,640 18,302    
Total assets 3,262,639 3,386,495    
Liabilities        
Notes payable 3,155,697 3,123,046    
Accrued interest payable 8,267 8,857    
Total liabilities 3,163,964 3,131,903    
Restricted cash 11,800 50,500    
Allowance for credit loss 17,300 15,400    
Deferred financing cost and discount 21,800 21,300    
Variable Interest Entity, Primary Beneficiary | U.S. Bank National Association | Secured debt        
Liabilities        
Collateralized loan obligation excluded $ 277,000 $ 366,100    
[1] Includes pledged assets of $364.1 million and $329.2 million as of September 30, 2026 and December 31, 2025, respectively.