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Net Assets - Distributions Declared (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 08, 2023 | Jun. 20, 2023 | May 10, 2023 | Feb. 27, 2023 | Nov. 02, 2022 | Aug. 30, 2022 | May 02, 2022 | Feb. 23, 2022 | Oct. 18, 2021 | Sep. 07, 2021 | Jun. 07, 2021 | Feb. 24, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.9400 | $ 2.9100 | $ 2.0300
Total Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 504,787 | $ 482,434 | $ 295,792
Dividends 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  | $ 0.7000 |  |  |  |  | $ 0.1000 |  |  | $ 0.5000 |  |  |
Total Amount |  |  |  | $ 112,400 |  |  |  |  | $ 16,927 |  |  | $ 65,052 |  |  |
Dividends 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  | $ 0.7000 |  |  |  |  |  | $ 0.1500 |  | $ 0.3736 |  |  |  |
Total Amount |  |  | $ 115,783 |  |  |  |  |  | $ 25,454 |  | $ 48,734 |  |  |  |
Dividends 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  | $ 0.7700 |  |  |  |  |  | $ 0.5300 |  |  | $ 0.1264 |  |  |  |
Total Amount |  | $ 133,552 |  |  |  |  |  | $ 89,937 |  |  | $ 18,241 |  |  |  |
Dividends 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) | $ 0.7700 |  |  |  |  |  |  |  | $ 0.2000 | $ 0.3750 |  |  |  |  |
Total Amount | $ 143,052 |  |  |  |  |  |  |  | $ 33,995 | $ 54,250 |  |  |  |  |
Dividends 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  |  |  |  | $ 0.5300 |  |  | $ 0.1250 |  |  |  |  |
Total Amount |  |  |  |  |  |  | $ 89,169 |  |  | $ 19,800 |  |  |  |  |
Dividends 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  |  |  |  |  |  | $ 0.2000 |  |  |  |  |  |
Total Amount |  |  |  |  |  |  |  |  | $ 32,976 |  |  |  |  |  |
Dividends 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  |  |  | $ 0.6000 |  |  |  |  |  |  |  |  |
Total Amount |  |  |  |  |  | $ 97,094 |  |  |  |  |  |  |  |  |
Dividends 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  |  | $ 0.6000 |  |  |  |  |  |  |  |  |  |
Total Amount |  |  |  |  | $ 96,882 |  |  |  |  |  |  |  |  |  |
Dividends 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per Share Amount (in usd per share) |  |  |  |  |  |  |  |  | $ 0.5300 |  |  |  |  |  |
Total Amount |  |  |  |  |  |  |  |  | $ 89,715 |  |  |  |  |  |

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