v3.26.1
Borrowings - July 2029 Notes (Details)
$ in Thousands
Jul. 24, 2024
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Borrowings      
Total aggregate principal amount committed/ outstanding   $ 4,555,984 $ 4,250,797
Debt   3,296,435 3,224,163
July 2029 Notes      
Borrowings      
Total aggregate principal amount committed/ outstanding   156,000 156,000
Debt   156,000 156,000
Amount equal to net assets $ 660,865    
July 2029 Notes | Unsecured Debt      
Borrowings      
Minimum repayment of aggregate principal amount of senior notes 0.10    
Debt Instrument, redemption price, percentage 100.00%    
Net worth amount $ 500,000    
Percentage equal to net assets 65.00%    
Asset coverage ratio 1.50    
July 2029 Notes | Unsecured Debt | Below Investment Grade Event      
Borrowings      
Additional interest rate 1.00%    
July 2029 Notes | Unsecured Debt | Secured Debt Ratio Event      
Borrowings      
Additional interest rate 1.50%    
July 2029 Notes | Unsecured Debt | Below Investment Grade Event and a Secured Debt Ratio Event      
Borrowings      
Additional interest rate 2.00%    
Series C Senior Unsecured Notes 2029 | Unsecured Debt      
Borrowings      
Total aggregate principal amount committed/ outstanding $ 156,000    
Interest rate 7.47%    
Debt   $ 156,000 $ 156,000
Weighted average interest rate   7.50% 7.50%