v3.26.1
INVESTMENTS - Schedule of Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
INVESTMENTS [Abstract]    
Cost $ 1,423,993 $ 1,312,388
Total Investments at Fair Value 1,413,006 1,309,928
Measured at Net Asset Value [1] 64,209 61,606
First Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Cost 1,328,502 1,219,955
Total Investments at Fair Value 1,321,518 1,217,362
Measured at Net Asset Value [1] 0 0
Second Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Cost 29,976 29,951
Total Investments at Fair Value 26,389 30,070
Measured at Net Asset Value [1] 0 0
Investments in Equity [Member]    
INVESTMENTS [Abstract]    
Cost 890 890
Total Investments at Fair Value 890 890
Measured at Net Asset Value [1] 0 0
Investments in Joint Venture [Member]    
INVESTMENTS [Abstract]    
Cost 64,625 61,592
Total Investments at Fair Value 64,209 61,606
Measured at Net Asset Value [1] 64,209 61,606
Fair Value Hierarchy Level 1 [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 1 [Member] | First Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 1 [Member] | Second Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 1 [Member] | Investments in Equity [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 1 [Member] | Investments in Joint Venture [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 2 [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 13,253 13,933
Fair Value Hierarchy Level 2 [Member] | First Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 13,253 13,933
Fair Value Hierarchy Level 2 [Member] | Second Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 2 [Member] | Investments in Equity [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 2 [Member] | Investments in Joint Venture [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 0 0
Fair Value Hierarchy Level 3 [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 1,335,544 1,234,389
Fair Value Hierarchy Level 3 [Member] | First Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 1,308,265 1,203,429
Fair Value Hierarchy Level 3 [Member] | Second Lien Secured Debt [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 26,389 30,070
Fair Value Hierarchy Level 3 [Member] | Investments in Equity [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value 890 890
Fair Value Hierarchy Level 3 [Member] | Investments in Joint Venture [Member]    
INVESTMENTS [Abstract]    
Total Investments at Fair Value $ 0 $ 0
[1] In accordance with ASC 820, the Company’s investment in SBLA JV is measured using the net asset value (or its equivalent) as a practical expedient for fair value and has not been classified in the fair value hierarchy.