v3.26.1
SLR Senior Lending Program LLC - Summary financial information for SSLP (Parenthetical) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Condensed Financial Statements, Captions [Line Items]    
Cost $ 2,139,297 $ 2,154,739
Debt instrument, face amount 1,160,159 1,154,436
Debt issuance costs 6,473 8,082
SLR Senior Lending Program LLC [Member]    
Condensed Financial Statements, Captions [Line Items]    
Cost 182,626 180,681
Debt instrument, face amount 94,100 94,500
Debt issuance costs $ 1,651 $ 1,843