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Portfolio Company Investments - Schedule of Portfolio Composition by Type And by Geographic Region at Fair Value (Details) | Dec. 31, 2022 | Dec. 31, 2021
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Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 179.10% | 147.40%
United States Midwest |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 37.60% | 32.20%
United States Southeast |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 55.40% | 45.10%
United States Northeast |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 26.50% | 26.00%
United States West |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 31.50% | 21.70%
United States Southwest |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 25.50% | 22.40%
Canada |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 2.60% |
First Lien Debt |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 95.00% | 72.80%
Second Lien Debt |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 38.10% | 32.60%
Subordinated Debt |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 21.10% | 7.40%
Equity |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 24.50% | 34.00%
Warrants |  |
Summary of Investment Holdings [Line Items] |  |
Total net assets percentage | 0.40% | 0.60%

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