v3.26.1
SECURED BORROWINGS - Schedule of Borrowings (Details) - USD ($)
Jun. 30, 2026
May 11, 2026
May 01, 2026
Feb. 22, 2026
Dec. 31, 2025
Dec. 19, 2025
May 22, 2025
Apr. 08, 2025
Debt Instrument [Line Items]                
Total Commitment $ 2,261,000,000       $ 1,261,000,000      
Amount outstanding 1,806,000,000       795,500,000      
Unused portion 455,000,000       465,500,000      
Amount available 447,425,000       453,606,000      
Bank of America Credit Facility | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 350,000,000       350,000,000 $ 350,000,000    
Amount outstanding 332,500,000       67,000,000      
Unused portion 17,500,000       283,000,000      
Amount available 16,103,000       278,124,000      
Citi Credit Facility | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 150,000,000 $ 150,000,000            
Amount outstanding 95,000,000              
Unused portion 55,000,000              
Amount available 54,828,000              
Scotiabank Credit Facility I | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 450,000,000     $ 450,000,000     $ 150,000,000  
Amount outstanding 209,000,000              
Unused portion 241,000,000              
Amount available 236,095,000              
Scotiabank Credit Facility II | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 550,000,000   $ 550,000,000          
Amount outstanding 508,500,000              
Unused portion 41,500,000              
Amount available 40,399,000              
Scotiabank Credit Facility | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment         150,000,000      
Amount outstanding         46,000,000      
Unused portion         104,000,000      
Amount available         96,982,000      
SMBC Revolving Credit Facility | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 100,000,000       100,000,000     $ 50,000,000
Amount outstanding 0       21,500,000      
Unused portion 100,000,000       78,500,000      
Amount available 100,000,000       78,500,000      
2024 Debt | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 306,000,000       306,000,000      
Amount outstanding 306,000,000       306,000,000      
Unused portion 0       0      
Amount available 0       0      
2025 Debt | Secured Borrowings | Credit Facility                
Debt Instrument [Line Items]                
Total Commitment 355,000,000       355,000,000      
Amount outstanding 355,000,000       355,000,000      
Unused portion 0       0      
Amount available $ 0       $ 0