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Portfolio Company Investments - Schedule of Debt Investment on Non-Accrual Status (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	$ 14,403	$ 10,267
Fair Value | K2 Merger Agreement Agent, LLC (fka K2 Industrial Services, Inc.)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	2,123	2,123
Fair Value | Allredi, LLC (fka Marco Group International OpCo, LLC)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total		8,144
Fair Value | Suited Connector LLC
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	5,986
Fair Value | Virtex Enterprises, LP
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	6,294
Cost
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	34,429	27,204
Cost | EBL, LLC (EbLens)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total		9,332
Cost | US GreenFiber, LLC
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	5,222	5,223
Cost | K2 Merger Agreement Agent, LLC (fka K2 Industrial Services, Inc.)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	2,368	2,368
Cost | Allredi, LLC (fka Marco Group International OpCo, LLC)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total		$ 10,281
Cost | Suited Connector LLC
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	15,933
Cost | Virtex Enterprises, LP
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	$ 10,906

X

- 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

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- Definition

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+ References

No definition available.

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