v3.25.3
SLR Senior Lending Program LLC - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 12, 2022
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Oct. 20, 2023
Oct. 12, 2022
Summary of Investment Holdings [Line Items]                
Assets   $ 2,529,892   $ 2,529,892   $ 2,449,417    
SLR Senior Lending Program LLC [Member]                
Summary of Investment Holdings [Line Items]                
Other Ownership Interests, Contributed Capital   95,750   95,750   95,750    
Assets   211,521   211,521   197,461    
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 $ 100,000 112,500   112,500   96,600 $ 150,000  
Debt Instrument, Maturity Date Dec. 12, 2028              
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 2.90%              
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] | 4 Portfolio Investment Company [Member]                
Summary of Investment Holdings [Line Items]                
Payments to Acquire Investments   18,513            
Prepaid Expense   15,258   15,258        
SLR Senior Lending Program LLC [Member] | 11 Portfolio Investment Company [Member]                
Summary of Investment Holdings [Line Items]                
Payments to Acquire Investments       57,354        
Prepaid Expense   $ 49,030   $ 49,030        
SLR Senior Lending Program LLC [Member] | 7 Portfolio Investment Company [Member]                
Summary of Investment Holdings [Line Items]                
Payments to Acquire Investments     $ 4,331          
Prepaid Expense     21,307   $ 21,307      
SLR Senior Lending Program LLC [Member] | 16 Portfolio Investment Company [Member]                
Summary of Investment Holdings [Line Items]                
Payments to Acquire Investments         45,532      
Prepaid Expense     $ 29,780   $ 29,780