v3.26.1
Investments - SLP Statement of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Investment income        
Total investment income $ 62,348 $ 70,965 $ 128,522 $ 137,804
Expenses        
Interest and debt financing expenses 20,664 21,772 40,916 40,676
Professional fees and other expenses 612 714 1,312 1,428
Net investment income before taxes 29,337 31,666 57,607 64,852
Net realized and unrealized gains (losses)        
Total net gain (loss) (14,550) (6,868) (38,524) (10,431)
Net increase from operations     17,445 52,269
Net increase in net assets resulting from operations 14,055 23,722 17,445 52,269
Bain Capital Senior Loan Program, LLC        
Investment income        
Interest income 36,359 38,684 74,111 76,796
Total investment income 36,359 38,684 74,111 76,796
Expenses        
Interest and debt financing expenses 19,454 23,026 39,447 45,611
Professional fees and other expenses 2,346 2,319 4,742 4,522
Total expenses 30,850 33,027 62,149 65,146
Net investment income before taxes 5,509 5,657 11,962 11,650
Net realized and unrealized gains (losses)        
Net realized gain (loss) on investments (4,572) (1,225) (4,311) (5,742)
Net change in unrealized appreciation (depreciation) on investments (8,640) (2,501) (11,446) (4,500)
Net change in unrealized appreciation on members subordinated notes 9,748 11 9,748 24,141
Total net gain (loss) (3,464) (3,715) (6,009) 13,899
Net increase from operations 2,045 1,942 5,953 25,549
Net increase in net assets resulting from operations 2,045 1,942 5,953 25,549
Bain Capital Senior Loan Program, LLC | Related Party        
Expenses        
Interest and debt financing expenses $ 9,050 $ 7,682 $ 17,960 $ 15,013