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Financial Highlights - Supplemental Ratios (Details) | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Investment Company, Financial Highlights [Abstract] |  |
Ratio of total investment income to average net assets | 30.14% | 30.43%
Ratio of interest and other debt financing expenses to average net assets | 10.93% | 9.98%
Ratio of total expenses to average net assets | 16.56% | 15.43%
Ratio of incentive fees to average net assets | 0.68% | 0.74%

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- Definition Percentage of expense, after incentive allocation, to average net assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 205 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480737/946-205-50-13 + Details
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