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Portfolio Company Investments - Schedule of Debt Investment on Non-Accrual Status (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | $ 10,083 | $ 9,664
Fair Value | Suited Connector LLC |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 4,866 | 4,324
Fair Value | Virtex Enterprises, LP |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 5,217 | 5,340
Cost |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 32,062 | 32,062
Cost | US GreenFiber, LLC |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 5,223 | 5,223
Cost | Suited Connector LLC |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 15,933 | 15,933
Cost | Virtex Enterprises, LP |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | $ 10,906 | $ 10,906

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- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity) on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 + Details
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