v3.26.3
Debt - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 16, 2026
Oct. 28, 2025
Oct. 06, 2022
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Feb. 10, 2023
Debt Instrument [Line Items]                  
Deferred financing costs       $ 4,878   $ 4,878   $ 4,727  
Decreased facility amount $ 750,000 $ 480,000              
SPV                  
Debt Instrument [Line Items]                  
Debtor in Possession Financing Fee                 0.50%
Minimum | SPV                  
Debt Instrument [Line Items]                  
Debtor in Possession Financing Fee                 0.50%
Maximum | SPV                  
Debt Instrument [Line Items]                  
Debtor in Possession Financing Fee                 1.00%
Debt                  
Debt Instrument [Line Items]                  
Asset coverage ratio requirement, description     Investment Company Act, is at least 150% after such borrowing (if certain requirements are met).            
Asset Coverage Ratio       227.00%   227.00%   206.00%  
Weighted average interest rates           5.57%   6.48%  
Average outstanding balance           $ 440,401   $ 322,050  
Credit Facility                  
Debt Instrument [Line Items]                  
Interest rate (as a percent)                 1.85%
Maximum borrowing capacity       $ 1,000,000   1,000,000      
Debt issuance costs       8,806   8,806      
Deferred financing costs       $ 4,878   $ 4,878   $ 4,727  
Weighted average interest rates       5.62% 6.65% 5.57% 6.65%    
Average outstanding balance       $ 450,724 $ 331,518 $ 440,401 $ 298,259    
Credit Facility | Line Of Credit                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity       750,000   750,000      
Credit Facility | Minimum                  
Debt Instrument [Line Items]                  
Asset Coverage Ratio     150.00%            
Credit Facility | Debt                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity       $ 1,000,000   $ 1,000,000