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Distributions - Tax Character of Distributions Paid (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Ordinary income (non-qualified) | $ 86,388 | $ 105,963 | $ 101,547
Ordinary income (qualified) | 0 | 0 | 0
Capital gains | 25,449 | 0 | 0
Return of capital | 10,549 | 10,490 | 18,519
Total | $ 122,386 | $ 116,453 | $ 120,066

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