v3.26.1
Investments - SLP Balance Sheet (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Investment Company, Nonconsolidated Subsidiary [Line Items]        
Investments at fair value $ 2,470,798 $ 2,508,441    
Cash and cash equivalents 12,973 23,092    
Restricted cash and cash equivalents 17,593 32,667    
Deferred financing costs 3,285 3,543    
Interest receivable on investments 35,091 38,023    
Receivable for sales and paydowns of investments 38,101 28,856    
Total Assets 2,601,676 2,662,585    
Debt [1] 1,454,657 1,470,796    
Interest payable on debt 10,910 12,376    
Payable for investments purchased 3,527 2,110    
Distributions payable to members 0 9,730    
Accounts payable and accrued expenses 16,825 12,910    
Total liabilities 1,508,121 1,545,175    
Members' equity 1,093,555 1,117,410    
Total Members' equity 1,093,555 1,117,410 $ 1,144,504 $ 1,139,672
Total Liabilities and Total Net Assets 2,601,676 2,662,585    
Investments, amortized cost 2,482,858 2,502,667    
Unamortized debt issuance costs 17,144 10,110    
Bain Capital Senior Loan Program, LLC        
Investment Company, Nonconsolidated Subsidiary [Line Items]        
Investments at fair value 1,599,077 1,536,252    
Cash and cash equivalents 3,563 1,964    
Restricted cash and cash equivalents 46,496 125,753    
Prepaid expenses 3,657 3,773    
Interest receivable on investments 13,934 12,658    
Receivable for sales and paydowns of investments 3,975 3,976    
Total Assets 1,670,702 1,684,376    
Debt 1,295,472 1,295,228    
Subordinated notes payable to members 333,829 315,859    
Interest payable on debt 15,444 21,951    
Interest payable on subordinated notes payable to members 8,911 8,690    
Payable for investments purchased 1,990 25,455    
Distributions payable to members 6,569 6,785    
Accounts payable and accrued expenses 3,070 2,330    
Total liabilities 1,665,285 1,676,298    
Members' equity 5,417 8,078    
Total Members' equity 5,417 8,078    
Total Liabilities and Total Net Assets 1,670,702 1,684,376    
Investments, amortized cost 1,621,818 1,556,187    
Unamortized debt issuance costs $ 9,778 $ 10,022    
[1] Carrying value represents aggregate principal amount outstanding less unamortized debt issuance costs.