v3.26.3
Borrowings - Holdings Credit Facility (Details) - USD ($)
$ in Thousands
3 Months Ended 8 Months Ended 9 Months Ended 11 Months Ended
Mar. 12, 2026
Sep. 30, 2026
Sep. 30, 2025
Mar. 27, 2025
Sep. 30, 2026
Sep. 30, 2025
Mar. 11, 2026
Oct. 26, 2026
Oct. 02, 2026
Oct. 01, 2026
Dec. 31, 2025
Jun. 09, 2018
Jun. 08, 2018
Nov. 05, 2014
Line of Credit Facility [Line Items]                            
Minimum asset coverage ratio                       150.00% 200.00% 150.00%
Amortization of financing costs         $ 7,128 $ 6,866                
Holdings Credit Facility                            
Line of Credit Facility [Line Items]                            
Credit facility outstanding balance   $ 391,446     391,446           $ 420,063      
Revolving Credit Facility | Holdings Credit Facility                            
Line of Credit Facility [Line Items]                            
Credit facility outstanding balance   391,446     391,446           $ 420,063      
Revolving Credit Facility | Holdings Credit Facility | Line of Credit                            
Line of Credit Facility [Line Items]                            
Maximum borrowing capacity $ 450,000                          
Available borrowing capacity   $ 450,000     $ 450,000                  
Borrowing capacity, first percentage   35.00%     35.00%                  
Borrowing capacity, second percentage   45.00%     45.00%                  
Borrowing capacity, third percentage   55.00%     55.00%                  
Borrowing capacity, fourth percentage   67.50%     67.50%                  
Borrowing capacity, fifth percentage   70.00%     70.00%                  
Minimum asset coverage ratio   150.00%     150.00%                  
Interest expense   $ 5,048 $ 4,726   $ 16,698 13,741                
Non-usage fee   115 557   483 1,865                
Amortization of financing costs   $ 660 $ 677   $ 3,372 $ 1,921                
Weighted average interest rate   5.50% 6.30%   5.50% 6.40%                
Effective interest rate   6.40% 8.00%   6.90% 8.20%                
Average debt outstanding   $ 359,174 $ 293,932   $ 398,377 $ 285,184                
Revolving Credit Facility | Holdings Credit Facility | Line of Credit | Subsequent Event                            
Line of Credit Facility [Line Items]                            
Maximum borrowing capacity               $ 350,000 $ 350,000 $ 450,000        
Revolving Credit Facility | Holdings Credit Facility, Excluding Broadly Syndicated Loans | Line of Credit                            
Line of Credit Facility [Line Items]                            
Basis spread on variable rate 1.85%     2.15%     1.95%