v3.26.1
SUBSEQUENT EVENTS (Details) - USD ($)
6 Months Ended
Jul. 29, 2026
Jul. 10, 2026
Jul. 09, 2026
Jul. 07, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Subsequent Event [Line Items]              
Proceeds collected, including principal and interest         $ 301,000,000 $ 849,322,000  
Total commitment         1,372,017,000   $ 1,373,119,000
Outstanding aggregate principal amount         $ 1,093,517,000   $ 1,114,119,000
Subsequent Event | NCDL Senior Loan Fund I SPV LLC              
Subsequent Event [Line Items]              
Equity ownership interest, parent (as a percent)       87.50%      
Subsequent Event | JV Partner | NCDL Senior Loan Fund I SPV LLC              
Subsequent Event [Line Items]              
Equity ownership interest, noncontrolling owner (as a percent)       12.50%      
Subsequent Event | NCDL Senior Loan Fund I SPV LLC              
Subsequent Event [Line Items]              
Aggregate fair value of senior secured debt     $ 148,882,000        
Subsequent Event | NCDL Senior Loan Fund I SPV LLC              
Subsequent Event [Line Items]              
Payments to acquire interest in joint venture     40,688,000 $ 92,750,000      
Subsequent Event | NCDL Senior Loan Fund I SPV LLC | JV Partner              
Subsequent Event [Line Items]              
Payments to acquire interest in joint venture     5,812,000 13,250,000      
Subsequent Event | CLO-III 2024 Notes              
Subsequent Event [Line Items]              
Aggregate principal balance       297,895,000      
Proceeds collected, including principal and interest       $ 302,487,000      
Subsequent Event | JV Credit Facility | NCDL Senior Loan Fund I SPV LLC | Secured Debt              
Subsequent Event [Line Items]              
Total commitment     $ 231,000,000        
Subsequent Event | Additional 2030 Notes Offering              
Subsequent Event [Line Items]              
Aggregate principal amount   $ 100,000,000          
Principal amount at issuance (as a percent)   100.12%          
Effective interest rate (as a percent)   6.61%          
Outstanding aggregate principal amount   $ 400,000,000          
Subsequent Event | Additional 2030 Notes Offering | Interest Rate Swap              
Subsequent Event [Line Items]              
Notional amount   $ 100,000,000          
Fixed interest rate (as a percent)   6.65%          
Floating interest rate (as a percent)   2.55%          
O 2026 Q2 Dividends | Subsequent Event              
Subsequent Event [Line Items]              
Dividend per share (in dollars per share) $ 0.36            
S 2026 Q2 Dividends | Subsequent Event              
Subsequent Event [Line Items]              
Dividend per share (in dollars per share) $ 0.02