NET ASSETS - Schedule of Transaction in Shares (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Investment Company, Change in Net Assets [Line Items] | |||||||||
| Subscriptions | $ 2,692,463 | $ 1,882,190 | $ 1,047,302 | $ 639,948 | $ 241,982 | $ 412,827 | |||
| Distributions reinvested | $ 50,448 | 28,945 | 18,525 | 7,021 | 3,566 | 2,597 | |||
| Repurchased shares (in shares) | (480,845) | (1,338,568) | |||||||
| Dividends declared and payable | $ (172,396) | $ (104,823) | $ (69,002) | $ (33,208) | $ (18,396) | $ (11,355) | |||
| Net increase (in shares) | 110,029,008 | 25,510,226 | 228,534,818 | 51,952,713 | |||||
| Net increase | $ 2,558,635 | $ 635,307 | $ 5,340,485 | $ 1,296,279 | |||||
| Common shares, outstanding (in shares) | 312,168,562 | 312,168,562 | 83,633,744 | ||||||
| Class I | |||||||||
| Investment Company, Change in Net Assets [Line Items] | |||||||||
| Subscriptions (in shares) | 58,802,791 | 25,697,617 | 132,897,278 | 51,893,275 | |||||
| Subscriptions | $ 1,459,666 | $ 639,948 | $ 3,308,699 | $ 1,294,757 | |||||
| Distributions reinvested (in shares) | 1,406,790 | 282,410 | 3,144,469 | 529,239 | |||||
| Distributions reinvested | $ 34,898 | $ 7,021 | $ 78,244 | $ 13,184 | |||||
| Share transfers between classes (in shares) | 9,984 | ||||||||
| Share transfers between classes | $ 0 | $ 0 | $ 249 | $ 0 | |||||
| Repurchased shares (in shares) | (469,052) | (469,801) | (1,320,785) | (469,801) | |||||
| Repurchased shares | $ (11,624) | $ (11,662) | $ (32,854) | $ (11,662) | |||||
| Early repurchase deduction | 22 | $ 22 | 104 | $ 104 | |||||
| Dividends declared and payable | $ (125,081) | $ (280,327) | |||||||
| Net increase (in shares) | 59,740,529 | 25,510,226 | 134,730,946 | 51,952,713 | |||||
| Net increase | $ 1,357,881 | $ 635,307 | $ 3,074,115 | $ 1,296,279 | |||||
| Common shares, outstanding (in shares) | 216,547,938 | 58,179,313 | 216,547,938 | 58,179,313 | 81,816,992 | ||||
| Class S | |||||||||
| Investment Company, Change in Net Assets [Line Items] | |||||||||
| Subscriptions (in shares) | 4,709,014 | 0 | 14,817,469 | 0 | |||||
| Subscriptions | $ 116,828 | $ 0 | $ 369,012 | $ 0 | |||||
| Distributions reinvested (in shares) | 132,102 | 244,061 | |||||||
| Distributions reinvested | $ 3,278 | 0 | $ 6,069 | 0 | |||||
| Repurchased shares (in shares) | (5,990) | ||||||||
| Repurchased shares | $ (149) | ||||||||
| Early repurchase deduction | 2 | $ 2 | 7 | $ 7 | |||||
| Dividends declared and payable | $ (8,607) | $ (17,252) | |||||||
| Net increase (in shares) | 4,841,116 | 0 | 15,055,540 | 0 | |||||
| Net increase | $ 111,501 | $ 0 | $ 357,687 | $ 0 | |||||
| Common shares, outstanding (in shares) | 16,846,047 | 0 | 16,846,047 | 0 | 1,790,507 | ||||
| Class D | |||||||||
| Investment Company, Change in Net Assets [Line Items] | |||||||||
| Subscriptions (in shares) | 5,467,541 | 0 | 7,479,580 | 0 | |||||
| Subscriptions | $ 135,760 | $ 0 | $ 185,860 | $ 0 | |||||
| Distributions reinvested (in shares) | 44,494 | 48,644 | |||||||
| Distributions reinvested | $ 1,104 | 0 | $ 1,207 | 0 | |||||
| Share transfers between classes (in shares) | (9,984) | ||||||||
| Share transfers between classes | 0 | $ 0 | $ (249) | 0 | |||||
| Early repurchase deduction | 1 | 1 | |||||||
| Dividends declared and payable | $ (3,967) | $ (4,647) | $ 0 | ||||||
| Net increase (in shares) | 5,512,035 | 0 | 7,518,240 | 0 | |||||
| Net increase | $ 132,898 | $ 0 | $ 182,172 | $ 0 | |||||
| Common shares, outstanding (in shares) | 7,544,485 | 0 | 7,544,485 | 0 | 26,245 | ||||
| Class N | |||||||||
| Investment Company, Change in Net Assets [Line Items] | |||||||||
| Subscriptions (in shares) | 39,496,811 | 0 | 70,742,222 | 0 | |||||
| Subscriptions | $ 980,209 | $ 0 | $ 1,758,384 | $ 0 | |||||
| Distributions reinvested (in shares) | 450,310 | 0 | 499,663 | 0 | |||||
| Distributions reinvested | $ 11,168 | $ 0 | $ 12,398 | $ 0 | |||||
| Repurchased shares (in shares) | (11,793) | (11,793) | |||||||
| Repurchased shares | $ (293) | $ (293) | |||||||
| Early repurchase deduction | 12 | 17 | |||||||
| Dividends declared and payable | $ (34,741) | $ (43,995) | $ 0 | ||||||
| Net increase (in shares) | 39,935,328 | 0 | 71,230,092 | 0 | |||||
| Net increase | $ 956,355 | $ 0 | $ 1,726,511 | $ 0 | |||||
| Common shares, outstanding (in shares) | 71,230,092 | 0 | 71,230,092 | 0 | |||||