v3.26.3
Fair Value Measurements Fair Value of Financial Instrument Assumptions (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2026
Dec. 31, 2026
Oct. 20, 2026
Oct. 21, 2025
Revolving Credit Facility [Member]          
Fair Value of Financial Instrument Assumptions [Line Items]          
Line of Credit Facility, Current Borrowing Capacity $ 900,000 $ 900,000      
Line of Credit Facility, Maximum Borrowing Capacity $ 1,050,000 $ 1,050,000      
Line of Credit Facility, Initiation Date   Jul. 18, 2013      
Basis point spread on variable rate under Credit Facility 1.50% 1.50%      
JPM Master Repurchase Agreement Initiation Date          
Fair Value of Financial Instrument Assumptions [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 100,000
Line of Credit Facility, Initiation Date Oct. 21, 2025   Oct. 20, 2026    
JPM Mortgage Repurchase Agreement          
Fair Value of Financial Instrument Assumptions [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity $ 300,000 $ 300,000      
JPM Mortgage Repurchase Agreement          
Fair Value of Financial Instrument Assumptions [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 200,000
Line of Credit Facility, Initiation Date Oct. 24, 2023        
USB Mortgage Repurchase Agreement          
Fair Value of Financial Instrument Assumptions [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       $ 300,000  
Line of Credit Facility, Initiation Date     Oct. 20, 2026