v3.26.1
SLR Senior Lending Program LLC - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Oct. 08, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Oct. 12, 2022
Summary of Investment Holdings [Line Items]              
Assets   $ 2,560,035   $ 2,560,035   $ 2,572,564  
SLR Senior Lending Program LLC [Member]              
Summary of Investment Holdings [Line Items]              
Other Ownership Interests, Contributed Capital   95,750   95,750   95,750  
Assets   190,988   190,988   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 94,100   94,100   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   $ 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   6,680          
Prepaid Expense   11,792   11,792      
SLR Senior Lending Program LLC [Member] | 7 Portfolio Investment Company [Member]              
Summary of Investment Holdings [Line Items]              
Payments to Acquire Investments     $ 32,253 16,521      
Prepaid Expense   $ 15,226 13,854 $ 15,226 $ 13,854    
SLR Senior Lending Program LLC [Member] | 9 Portfolio Investment Company [Member]              
Summary of Investment Holdings [Line Items]              
Payments to Acquire Investments         38,841    
Prepaid Expense     $ 33,772   $ 33,772