v3.26.3
DEBT - SB Funding Facility (Details) - USD ($)
1 Months Ended 6 Months Ended 8 Months Ended 9 Months Ended 10 Months Ended
Jul. 07, 2025
Apr. 07, 2025
Jan. 31, 2026
Dec. 31, 2025
Sep. 30, 2026
Sep. 30, 2026
Jan. 28, 2026
Oct. 30, 2026
Line of Credit Facility [Line Items]                
Principal amount outstanding       $ 11,194,548,000 $ 12,251,407,000 $ 12,251,407,000    
SB Funding Facility | Line of Credit                
Line of Credit Facility [Line Items]                
Current borrowing capacity         1,125,000,000 1,125,000,000    
Principal amount outstanding       $ 400,000,000 $ 650,000,000 $ 650,000,000    
Interest rate           1.80%    
Commitment fee percentage 0.50%              
SB Funding Facility | Line of Credit | Unused Commitment Portion Two                
Line of Credit Facility [Line Items]                
Commitment fee percentage     0.75%          
SB Funding Facility | Line of Credit | Minimum                
Line of Credit Facility [Line Items]                
Commitment fee percentage       0.50%        
SB Funding Facility | Line of Credit | Maximum                
Line of Credit Facility [Line Items]                
Commitment fee percentage       1.00%        
SB Funding Facility | Line of Credit | During Reinvestment Period                
Line of Credit Facility [Line Items]                
Interest rate   2.10%     1.80%   1.90%  
SB Funding Facility | Line of Credit | Following Reinvestment Period                
Line of Credit Facility [Line Items]                
Interest rate   2.40%     2.00%   2.20%  
SB Funding Facility | Line of Credit | Subsequent Event                
Line of Credit Facility [Line Items]                
Current borrowing capacity               $ 375,000
Available borrowing capacity               $ 375,000,000
Revolving Credit Facility | SB Funding Facility | Line of Credit                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity         $ 1,500,000,000 $ 1,500,000,000    
Current borrowing capacity         $ 1,125,000 $ 1,125,000