v3.26.3
COMMITMENTS AND CONTINGENCIES - Loan Commitments (Details) - USD ($)
Sep. 30, 2026
Dec. 31, 2025
Other Commitments [Line Items]    
Total net unfunded revolving loan commitments $ 35,634,000 $ 10,885,000
Total net unfunded revolving and delayed draw loan commitments    
Other Commitments [Line Items]    
Total revolving and delayed draw loan commitments 3,389,584,400 3,984,599,000
Less: funded commitments (349,704,500) (186,050,800)
Less: unavailable commitments due to borrowing base or other covenant restrictions (16,772,400) (21,494,100)
Total net unfunded revolving loan commitments 3,039,879,900 3,798,548,200
Total net unfunded revolving and delayed draw loan commitments 3,023,107,500 3,777,054,100
Revolving Loan Commitments    
Other Commitments [Line Items]    
Total revolving and delayed draw loan commitments 1,487,783,000 1,347,979,000
Less: funded commitments (349,704,000) (186,051,000)
Less: unavailable commitments due to borrowing base or other covenant restrictions (1,096,000) 0
Total net unfunded revolving loan commitments 1,136,983,000 1,161,928,000
Delayed Draw Loan Commitments    
Other Commitments [Line Items]    
Total revolving and delayed draw loan commitments 1,901,801,000 2,636,620,000
Less: unavailable commitments due to borrowing base or other covenant restrictions (15,676,000) (21,494,000)
Total net unfunded delayed draw loan commitments $ 1,886,125,000 $ 2,615,126,000