v3.26.1
SLR Senior Lending Program LLC - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 08, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Oct. 12, 2022
Summary of Investment Holdings [Line Items]          
Assets   $ 2,540,411   $ 2,572,564  
SLR Senior Lending Program LLC [Member]          
Summary of Investment Holdings [Line Items]          
Other Ownership Interests, Contributed Capital   95,750   95,750  
Assets   194,907   192,810  
SLR Senior Lending Program LLC [Member] | Unfunded Debt and Equity Commitments [Member]          
Summary of Investment Holdings [Line Items]          
Other Commitment         $ 100,000
SLR Senior Lending Program LLC [Member] | Senior Secured Revolving Credit Facility [Member] | SLR Senior Lending Program SPV LLC [Member]          
Summary of Investment Holdings [Line Items]          
Long-term line of credit $ 150,000 96,500   94,500  
Debt Instrument, Maturity Date Oct. 31, 2030        
SLR Senior Lending Program LLC [Member] | Senior Secured Revolving Credit Facility [Member] | SLR Senior Lending Program SPV LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]          
Summary of Investment Holdings [Line Items]          
Line of Credit Facility, Interest Rate During Period 2.15%        
SLR Senior Lending Program LLC [Member] | Investor [Member] | Unfunded Debt and Equity Commitments [Member]          
Summary of Investment Holdings [Line Items]          
Other Commitment   4,250   $ 4,250 $ 50,000
SLR Senior Lending Program LLC [Member] | 5 Portfolio Investment Company [Member]          
Summary of Investment Holdings [Line Items]          
Payments to Acquire Investments   9,841      
Prepaid Expense   $ 3,434      
SLR Senior Lending Program LLC [Member] | 6 Investment Portfolio Company [Member]          
Summary of Investment Holdings [Line Items]          
Payments to Acquire Investments     $ 6,588    
Prepaid Expense     $ 19,918