v3.26.3
Joint Ventures - Schedule of Operations Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Condensed Income Statements, Captions [Line Items]            
Total investment income   $ 48,305 $ 78,711 $ 147,635 $ 187,029 $ 240,821
Total expenses   36,068 40,239 108,271 112,373 147,866
Net change in unrealized appreciation (depreciation) on investments   (6,709) 6,916 (8,065) (14,565) (74,102)
Net realized gain (loss) on investments   (8,635) (9,605) (26,364) (39,687) (39,569)
Senior Loan Fund Partners, LLC            
Condensed Income Statements, Captions [Line Items]            
Total investment income $ 803          
Total expenses 1,015          
Net change in unrealized appreciation (depreciation) on investments (19)          
Net increase (decrease) in net assets (231)          
Less: distributions to preferred members (53)          
Net decrease in net assets attributable to common members $ (284)          
CION/EagleTree            
Condensed Income Statements, Captions [Line Items]            
Total investment income   367 681 1,332 2,041 2,329
Total expenses   1,552 1,568 4,660 4,717 6,332
Net change in unrealized appreciation (depreciation) on investments   2,781 (528) (472) 3,050 (925)
Net increase (decrease) in net assets   1,599 (1,844) (3,317) 1 (5,201)
Net realized gain (loss) on investments   $ 3 $ (429) $ 483 $ (373) $ (273)