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Income Taxes - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Income Tax Disclosure [Abstract] |  |  |  |
Taxable income | $ 49,100 | $ (43,300) | $ 122,200 | $ 125,300
Taxable income per share | $ 0.39 | $ 0.38 | $ 0.99 | $ 1.09
Taxable net realized gains | $ 2,000 | $ (23,000) | $ 100 | $ (80,500)
Taxable net realized gains per share | $ (0.02) | $ 0.20 | $ 0.00 | $ 0.70
Income Taxes Paid, Net, Total | $ 100 | $ 100 | $ 7,341 | $ 3,731
Taxes payable | $ 4,000 | $ 4,900 | $ 4,000 | $ 4,900
Common Stock, Dividends, Per Share, Declared | $ 0.50 |  | $ 1.46 |
Investment company dividend distribution percentage distributable earnings | 100.00% |  | 100.00% |

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