Net Assets - Sources of Cash Distribution For Declaration (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Aug. 30, 2024 |
Jul. 31, 2024 |
Jun. 28, 2024 |
May 31, 2024 |
Apr. 30, 2024 |
Mar. 29, 2024 |
Feb. 29, 2024 |
Oct. 31, 2023 |
Sep. 29, 2023 |
Aug. 31, 2023 |
Jul. 31, 2023 |
Jun. 30, 2023 |
May 31, 2023 |
Apr. 28, 2023 |
Mar. 31, 2023 |
Feb. 28, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Investment Company, Changes in Net Assets [Line Items] | |||||||||||||||||||||
| Distribution amount | $ 186,735 | $ 133,423 | $ 500,317 | $ 310,243 | |||||||||||||||||
| Common Class I | |||||||||||||||||||||
| Investment Company, Changes in Net Assets [Line Items] | |||||||||||||||||||||
| Distributions from net investment income (in dollars per share) | $ 1.9350 | $ 1.9730 | |||||||||||||||||||
| Distributions from net realized gains (in dollars per share) | 0 | 0 | |||||||||||||||||||
| Distribution amount (in dollars per share) | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.2150 | $ 0.3650 | $ 0.2050 | $ 0.2050 | $ 0.2050 | $ 0.2040 | $ 0.2030 | $ 0.1900 | $ 0.1810 | $ 1.9350 | $ 1.9730 | ||
| Net investment income | $ 145,219 | $ 77,780 | |||||||||||||||||||
| Net realized gains | 0 | 0 | |||||||||||||||||||
| Distribution amount | $ 18,993 | $ 18,130 | $ 17,490 | $ 16,339 | $ 15,054 | $ 14,482 | $ 13,391 | $ 11,811 | $ 9,577 | $ 16,009 | $ 8,119 | $ 7,907 | $ 7,668 | $ 7,561 | $ 7,518 | $ 6,980 | $ 6,441 | 56,652 | 33,705 | $ 145,219 | $ 77,780 |
| Common Class D | |||||||||||||||||||||
| Investment Company, Changes in Net Assets [Line Items] | |||||||||||||||||||||
| Distributions from net investment income (in dollars per share) | $ 1.8876 | $ 1.9272 | |||||||||||||||||||
| Distributions from net realized gains (in dollars per share) | 0 | 0 | |||||||||||||||||||
| Distribution amount (in dollars per share) | $ 0.2096 | $ 0.2096 | $ 0.2098 | $ 0.2096 | $ 0.2098 | $ 0.2097 | $ 0.2100 | $ 0.2097 | $ 0.2099 | $ 0.3597 | $ 0.1998 | $ 0.2000 | $ 0.1998 | $ 0.1990 | $ 0.1978 | $ 0.1853 | $ 0.1759 | $ 1.8876 | $ 1.9272 | ||
| Net investment income | $ 67,493 | $ 40,779 | |||||||||||||||||||
| Net realized gains | 0 | 0 | |||||||||||||||||||
| Distribution amount | $ 8,270 | $ 8,144 | $ 7,622 | $ 7,404 | $ 7,225 | $ 6,834 | $ 6,670 | $ 6,514 | $ 5,441 | $ 8,319 | $ 4,426 | $ 4,285 | $ 4,081 | $ 3,951 | $ 3,752 | $ 3,351 | $ 3,173 | 25,224 | 18,186 | $ 67,493 | $ 40,779 |
| Common Class F | |||||||||||||||||||||
| Investment Company, Changes in Net Assets [Line Items] | |||||||||||||||||||||
| Distributions from net investment income (in dollars per share) | $ 1.8399 | $ 1.8815 | |||||||||||||||||||
| Distributions from net realized gains (in dollars per share) | 0 | 0 | |||||||||||||||||||
| Distribution amount (in dollars per share) | $ 0.2042 | $ 0.2042 | $ 0.2045 | $ 0.2042 | $ 0.2046 | $ 0.2043 | $ 0.2050 | $ 0.2044 | $ 0.2048 | $ 0.3544 | $ 0.1945 | $ 0.1950 | $ 0.1946 | $ 0.1940 | $ 0.1926 | $ 0.1807 | $ 0.1709 | $ 1.8399 | $ 1.8815 | ||
| Net investment income | $ 274,483 | $ 191,684 | |||||||||||||||||||
| Net realized gains | 0 | 0 | |||||||||||||||||||
| Distribution amount | $ 32,810 | $ 31,763 | $ 31,356 | $ 30,325 | $ 29,919 | $ 29,404 | $ 28,278 | $ 26,889 | $ 23,210 | $ 38,128 | $ 20,194 | $ 20,103 | $ 19,516 | $ 18,948 | $ 18,590 | $ 16,992 | $ 16,003 | 98,312 | 81,532 | $ 274,483 | 191,684 |
| Common Class S | |||||||||||||||||||||
| Investment Company, Changes in Net Assets [Line Items] | |||||||||||||||||||||
| Distributions from net investment income (in dollars per share) | $ 1.7736 | ||||||||||||||||||||
| Distributions from net realized gains (in dollars per share) | 0 | ||||||||||||||||||||
| Distribution amount (in dollars per share) | $ 0.1967 | $ 0.1966 | $ 0.1972 | $ 0.1967 | $ 0.1973 | $ 0.1968 | $ 0.1981 | $ 0.1970 | $ 1.7736 | ||||||||||||
| Net investment income | $ 13,122 | ||||||||||||||||||||
| Net realized gains | 0 | ||||||||||||||||||||
| Distribution amount | $ 2,126 | $ 1,954 | $ 1,767 | $ 1,550 | $ 1,204 | $ 954 | $ 743 | $ 357 | $ 6,547 | $ 0 | $ 13,122 | $ 0 | |||||||||