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Summary of Significant Accounting Policies (Details) $ in Thousands |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Oct. 05, 2021 | Oct. 04, 2021 | Mar. 31, 2024 USD ($) subsidiary | Dec. 31, 2023 USD ($) | [2]
Investment Company, Financial Highlights [Line Items] |  |  |  |  |
Fair Value |  |  | $ 1,870,837 | [1] | $ 1,954,270
Number of subsidiaries elected to be treated as taxable entities | subsidiary |  |  | 3 |  |
Percent of capital gains incentive fee | 17.50% | 20.00% |  |  |
Short term investments |  |  |  |  |
Investment Company, Financial Highlights [Line Items] |  |  |  |  |
Fair Value |  |  | $ 130,137 | [1] | $ 113,446
[1] | Fair value determined in good faith by the Company’s board of directors (see Note 9), including via delegation to CIM as the Company’s valuation designee (see Note 2), using significant unobservable inputs unless otherwise noted.
[2] | Fair value determined in good faith by the Company’s board of directors (see Note 9), including via delegation to CIM as the Company’s valuation designee (see Note 2), using significant unobservable inputs unless otherwise noted.

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