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Significant Accounting Policies - Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 USD ($) DebtInvestment | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) InvesteeCompany DebtInvestment | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) DebtInvestment InvesteeCompany
Purchase of investments | $ 13,900 | $ 9,900 | $ 51,093 | $ 23,170 |
Repayments and sales of investments | 32,100 | 30,800 | 67,576 | 76,575 |
Net repayment and sales amount of investment | $ 18,200 | $ 20,900 | $ 16,500 | $ 53,400 |
Number of investee companies where investments held | InvesteeCompany |  |  | 92 |  | 100
Percentage of investment portfolio valuation |  |  | 100.00% |  |
Number of debt investments on non-accrual status | DebtInvestment | 9 |  | 9 |  | 7
Aggregate amortized cost of debt investments on non-accrual status | $ 23,300 |  | $ 23,300 |  | $ 17,300
Investment at fair value | 444,370 |  | 444,370 |  | 467,865
Aggregate fair value of debt investments on non-accrual status | $ 2,000 |  | $ 2,000 |  | $ 6,100
Percentage of investments in non-accrual status at amortized cost | 4.50% |  | 4.50% |  | 3.20%
Percentage of investments in non-accrual status at fair value | 0.50% |  | 0.50% |  | 1.30%

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