v3.26.3
Repurchase Agreements and Warehouse Facilities - Narrative (Details)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
counterparty
Dec. 31, 2025
USD ($)
counterparty
Sep. 30, 2025
USD ($)
Assets Sold under Agreements to Repurchase [Line Items]      
Cash and cash equivalents $ 262,360 $ 210,333 $ 185,285
Securities borrowed $ 347,207    
Number of counterparties with amounts outstanding under repurchase agreements | counterparty 15 12  
Accrued interest payable $ 39,400 $ 44,400  
Weighted average advance rate 96.80% 96.50%  
Average interest rate haircut 3.20% 3.50%  
Average days to maturity 29 days 31 days  
Weighted average interest rate 3.91% 4.11%  
Total Residential loans      
Assets Sold under Agreements to Repurchase [Line Items]      
Securities borrowed $ 37,300    
Number of counterparties with amounts outstanding under repurchase agreements | counterparty 8    
Residential Loans, Real Estate Owned, Single-Family Rental Properties and Warehouse Facilities      
Assets Sold under Agreements to Repurchase [Line Items]      
Accrued interest payable $ 3,600 $ 2,600  
Agency RMBS      
Assets Sold under Agreements to Repurchase [Line Items]      
Securities borrowed $ 331,292    
Average interest rate haircut 3.40%    
Non-Agency RMBS      
Assets Sold under Agreements to Repurchase [Line Items]      
Securities borrowed $ 15,915    
Average interest rate haircut 10.50%    
U.S. Treasury securities      
Assets Sold under Agreements to Repurchase [Line Items]      
Average interest rate haircut 1.10%    
Repurchase Agreements      
Assets Sold under Agreements to Repurchase [Line Items]      
Cash and cash equivalents $ 258,600    
Securities borrowed $ 347,200