v3.26.1
Consolidated Statements of Cash Flows - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Cash Flows from Operating Activities          
Net Increase (Decrease) in Net Assets Resulting from Operations $ 371,556,000 $ 368,184,000 $ 291,190,000 $ 619,917,000  
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash used in operating activities:          
Purchases of investments, net     (4,102,687,000) (8,418,782,000)  
Proceeds from investments and investment repayments, net     3,897,388,000 2,851,462,000  
Net change in unrealized (gain) loss on investments     472,814,000 100,145,000  
Net change in interest rate swaps attributed to unsecured notes     (73,970,000) 122,724,000  
Net change in unrealized (gain) loss on foreign currency forward contracts     (7,571,000) 0  
Net change in unrealized (gain) loss on translation of assets and liabilities in foreign currencies     13,066,000 (4,950,000)  
Net change in unrealized (gain) loss on income tax (provisions) benefit 272,000 1,235,000 (10,000) 1,066,000  
Net realized (gain) loss on investments     86,142,000 49,546,000  
Net realized (gain) loss on foreign currency transactions relating to investments     (6,385,000) 858,000  
Net realized (gain) loss on foreign currency forward contracts     2,036,000 0  
Net realized (gain) loss on foreign currency transactions relating to debt     0 129,000  
Payment-in-kind interest and dividends     (103,612,000) (86,066,000)  
Net accretion/amortization of discount/premium on investments     (46,374,000) (52,560,000)  
Amortization of debt issuance costs 12,394,000 13,927,000 23,416,000 24,965,000  
Amortization of offering costs     2,335,000 3,542,000  
Changes in operating assets and liabilities:          
(Increase) decrease in interest and dividend receivable     (2,924,000) (11,924,000)  
(Increase) decrease in receivable from controlled affiliates     (10,617,000) (7,340,000)  
(Increase) decrease in receivable for investments sold     26,177,000 46,794,000  
(Increase) decrease in prepaid expenses and other assets     20,930,000 (140,096,000)  
Increase (decrease) in payable for investments purchased     (171,965,000) 104,167,000  
Increase (decrease) in payables to affiliates     (4,940,000) 5,146,000  
Increase (decrease) in accrued expenses and other liabilities     73,108,000 (108,656,000)  
Net cash provided by (used in) operating activities     377,547,000 (4,899,913,000)  
Cash Flows from Financing Activities          
Borrowings on debt     6,766,924,000 8,710,000,000  
Repayments of debt     (5,405,444,000) (6,895,000,000)  
Deferred offering costs paid     (747,000) (5,210,000)  
Debt issuance costs paid     (22,054,000) (37,052,000)  
Repurchase of common stock     (1,972,578,000) (397,119,000)  
Proceeds from issuance of common shares     787,864,000 3,497,114,000  
Distributions paid to shareholders     (514,570,000) (441,672,000)  
Net cash provided by (used in) financing activities     (360,605,000) 4,431,061,000  
Net increase (decrease) in cash and restricted cash, including foreign cash (restricted cash of $48,372 and $(136,170), respectively)     16,942,000 (468,852,000)  
Cash and restricted cash, including foreign cash, beginning of period (restricted cash of $23,727 and $182,030, respectively)     736,554,000 1,006,483,000 $ 1,006,483,000
Cash and restricted cash, including foreign cash, end of period (restricted cash of $72,099 and $45,860, respectively) 753,496,000 537,631,000 753,496,000 537,631,000 $ 736,554,000
Supplemental and Non-Cash Information          
Interest paid during the period     493,415,000 490,584,000  
Distributions declared during the period     865,381,000 823,747,000  
Reinvestment of distributions during the period     377,481,000 348,310,000  
Taxes, including excise tax, paid during the period     1,568,000 10,028,000  
Distributions Payable $ 138,146,000 $ 186,242,000 $ 138,146,000 $ 186,242,000