v3.26.3
FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Investments at Level 3 (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Assets, beginning balance $ 6,772,422 $ 795,517 $ 2,777,482 $ 339,136
Purchases 2,809,358 743,649 6,710,109 1,164,039
Net unrealized gains on investments $ 9,641 41,772 $ 143,733 84,313
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Non-controlled/non-affiliated investments   Non-controlled/non-affiliated investments  
Return of capital $ (91,789) (2,990) $ (132,130) (9,526)
Proceeds from repayments or sales of investments (1,187) (6) (551) (20)
Transfers in to/(out of) Level 3 (17,363) 0 751 0
Transfers out of Level 3   (18,312)    
Assets, ending balance $ 9,481,082 $ 1,577,942 $ 9,481,082 $ 1,577,942