Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details)

v3.22.4
INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details)
$ in Thousands
Dec. 31, 2022
USD ($)
Sep. 30, 2022
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 621,739 $ 649,615
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest ($843 uncalled capital commitment    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 156 [1],[2],[3],[4] 6,397 [5],[6],[7]
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 13,189 [2],[3] 13,734 [6],[8]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,613 [2],[3] 1,773 [6],[8]
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 200  
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 749 [2],[3] 1,017 [6],[8]
Investment, Identifier [Axis]: WorkforceQA, LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 383 [2],[3] 456 [6],[8]
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,998 [9] 3,020 [10]
Investment, Identifier [Axis]: ALS Education, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,985 [11] 0 [12]
Investment, Identifier [Axis]: ALS Education, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 19,215 [11] 19,468 [12]
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [2] 21,892 21,973
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [11] 0 [12]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 5,480 [11] 5,350 [12]
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 2,940  
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   8,741
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 8,820  
Investment, Identifier [Axis]: Axios Industrial Group, LLC– Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   2,914
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Common Stock Warrant    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3],[14] 25 [6],[8],[15]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,104 [11],[14] 1,146 [12],[15]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,137 [2],[3],[14] 2,718 [6],[8],[15]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 5,520 [11],[14] 5,730 [12],[15]
Investment, Identifier [Axis]: B. Riley Financial, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [16],[17] 2,358  
Investment, Identifier [Axis]: CHA Holdings, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,760 [9],[18] 2,700 [10],[19]
Investment, Identifier [Axis]: CPM Holdings, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 778 [9] 758 [10]
Investment, Identifier [Axis]: Café Zupas – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,970 [11] 1,958 [12]
Investment, Identifier [Axis]: Café Zupas – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 0  
Investment, Identifier [Axis]: Café Zupas – Line of Credit,    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12]   0
Investment, Identifier [Axis]: Café Zupas – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 23,460 [11] 23,313 [12]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,179 [2],[3] 647 [6],[8]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 798 [2],[3] 798 [6],[8]
Investment, Identifier [Axis]: Chinese Yellow Pages Company – Line of Credit,    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[20],[21] 0 [8],[22],[23]
Investment, Identifier [Axis]: Circuitronics EMS Holdings LLC – Common Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [6],[8]   0
Investment, Identifier [Axis]: DKI Ventures, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 4,407 [11] 4,554 [12]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 71 [2],[3] 1,147 [6],[8]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 7,585 [2] 7,665 [8]
Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12]   23,142
Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 21,620  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. (S) – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,452 [11],[14],[24] 2,550 [8],[15]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.(S) – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3],[14] 0 [6],[8],[15]
Investment, Identifier [Axis]: Eegee’s LLC – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,865 [11] 2,910 [12]
Investment, Identifier [Axis]: Eegee’s LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [11] 0 [12]
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 16,235  
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12]   16,490
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 4,935 [11] 4,885 [12]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [11] 0 [12]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 4,915 [2],[3] 2,842 [6],[8],[15]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 23,197 [11] 22,962 [12]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 4,464 [11] 4,407 [12]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [11] 0 [12]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12]   22,134
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 22,050  
Investment, Identifier [Axis]: FES Resources Holdings LLC – Common Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Preferred Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: Fix-It Group, LLC – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 3,250 [11] 0 [12],[19]
Investment, Identifier [Axis]: Fix-It Group, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,000 [11] 0 [12],[19]
Investment, Identifier [Axis]: Fix-It Group, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 10,000 [11] 9,950 [12],[19]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Convertible Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 45 [2],[17] 55 [8],[25]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock Warrant    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 31,000 58
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC(S) – Common Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 31 [3],[14],[26] 58 [6],[15],[27]
Investment, Identifier [Axis]: GFRC 360, LLC – Common Stock Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: GFRC 360, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 803 [11] 681 [12]
Investment, Identifier [Axis]: GFRC 360, LLC – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 636 [2],[3] 551 [6],[8]
Investment, Identifier [Axis]: GFRC 360, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 956 [11] 973 [12]
Investment, Identifier [Axis]: GSM MidCo LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,595 [2],[3] 1,359 [6],[8]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 28,512 [11],[17] 28,800 [12],[25]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Warrant    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 446 [2],[3] 19 [6],[8]
Investment, Identifier [Axis]: Gray Matter Systems, LLC – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,488 [11],[17] 2,481 [12],[25]
Investment, Identifier [Axis]: Gray Matter Systems, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,090 [11],[17] 2,084 [12],[25]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 9,950 [11] 9,925 [12],[19]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,493 [11] 1,489 [12],[19]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 914 [2],[3] 945 [6],[8]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 15,920 [11] 15,880 [12],[19]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 7,960 [11] 7,940 [12],[19]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Preferred Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,954 [2],[3] 2,028 [6],[8]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 22,916 [11] 23,295 [12]
Investment, Identifier [Axis]: LWO Acquisitions Company LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [8],[28]   0
Investment, Identifier [Axis]: Leeds Acquisition Holdings, LLC    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 200 6,400
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [2],[17] 3,396  
Investment, Identifier [Axis]: Lonestar EMS, LLC – Common Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [2],[3] 0 [6],[8]
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [8],[25]   3,030
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12]   0
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 7,972 [2] 8,151 [8]
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 19,325 [11] 19,779 [12]
Investment, Identifier [Axis]: NetFortris Corp. – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 264 [2],[3] 469 [6],[8]
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 18,223 [11] 18,558 [12]
Investment, Identifier [Axis]: PIC 360, LLC – Common Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 3,603 [2],[3] 3,454 [6],[8]
Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 27,930 [11] 27,825 [12]
Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 4,988 [11] 4,969 [12]
Investment, Identifier [Axis]: R2i Holdings, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [25],[29]   829
Investment, Identifier [Axis]: R2i Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [25],[29]   18,000
Investment, Identifier [Axis]: Salt & Straw, LLC – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,145 [11] 0 [12]
Investment, Identifier [Axis]: Salt & Straw, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 780 [11] 800 [12]
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,430 [2],[3] 2,584 [6],[8]
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   11,619
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 11,264  
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 160 [2],[3] 153 [6],[8]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 11,484 [11],[17] 11,074 [12],[25]
Investment, Identifier [Axis]: Sea Link International IRB, Inc.– Common Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 169 [2],[3] 105 [6],[8]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,701 [2],[3] 1,500 [6],[8]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   13,500
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 13,264  
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,625 [11],[18] 1,886 [12],[19]
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Deb    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[19]   31,481
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11],[18] 30,440  
Investment, Identifier [Axis]: Springfield, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 29,850 [11] 29,738 [12]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Common Equity Units    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,594 [2],[3] 2,337 [6],[8]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 900 [2],[17] 1,000 [8],[25]
Investment, Identifier [Axis]: Tailwind Smith Cooper Intermediate Corporation – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 4,294 [9] 4,313 [10]
Investment, Identifier [Axis]: Targus Cayman HoldCo, Ltd. – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [6],[29],[30]   7,978
Investment, Identifier [Axis]: Total Safety Holdings, LLC – Common Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 44 [2],[3] 50 [6],[8]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 675 [2],[3] 672 [6],[8]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 125 [2],[3] 120 [6],[8]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 498 [11] 495 [12]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 10,945 [11] 10,890 [12]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   0
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   0
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[13]   15,000
Investment, Identifier [Axis]: Unirac, Inc. – Delayed Draw Term Loan    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 0  
Investment, Identifier [Axis]: Unirac, Inc. – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 703  
Investment, Identifier [Axis]: Unirac, Inc. – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 15,019  
Investment, Identifier [Axis]: Viva Railings, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 0 [11] 0 [12]
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 21,500  
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12]   21,364
Investment, Identifier [Axis]: WB Xcel Holdings, LLC    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 5,835 [2],[3] 5,687 [6],[8]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 1,468 [2] 1,468 [8]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 9,900 [2] 9,925 [8]
Investment, Identifier [Axis]: WorkforceQA, LLC – Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [11] 0  
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 9,987 [11],[31] 9,975 [12],[19],[32]
Investment, Identifier [Axis]: WorkforceQA, LLC– Line of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value [12],[19]   0
Significant Unobservable Inputs (Level 3)    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 619,194 643,160
Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured first lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 410,235 423,912
Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured second lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 97,340 $ 97,472
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured first lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.107 0.080
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured first lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.349 0.295
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured first lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.132 0.118
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured second lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.114 0.115
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured second lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.152 0.154
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured second lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.141 0.138
Significant Unobservable Inputs (Level 3) | TEV | Secured first lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 40,008 $ 39,946
Significant Unobservable Inputs (Level 3) | TEV | Secured second lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 7,585 7,665
Significant Unobservable Inputs (Level 3) | TEV | Unsecured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 45 55
Significant Unobservable Inputs (Level 3) | TEV | Preferred and common equity / equivalents    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 54,151 $ 63,319
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured first lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 4.7 4.8
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured first lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 6.6 6.7
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured first lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 6.1 6.2
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured second lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 5.6 5.6
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured second lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 5.6 5.6
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured second lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 5.6 5.6
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Preferred and common equity / equivalents | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 4 4.1
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Preferred and common equity / equivalents | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 10.8 11
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Preferred and common equity / equivalents | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 6.5 6.5
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured first lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 862 $ 800
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured first lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 10,103 10,257
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured first lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 7,352 7,605
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured second lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,996 3,299
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured second lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,996 3,299
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured second lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 2,996 3,299
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Preferred and common equity / equivalents | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 862 800
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Preferred and common equity / equivalents | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 80,276 74,512
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Preferred and common equity / equivalents | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 9,873 $ 11,742
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Secured first lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.3 0.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Secured first lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.6 0.6
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Secured first lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.4 0.5
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Unsecured debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 1.3 0.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Unsecured debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 1.3 1.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Unsecured debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 1.3 1
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Preferred and common equity / equivalents | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.3 0.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Preferred and common equity / equivalents | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 4.4 4.4
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Preferred and common equity / equivalents | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 1.5 1.4
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Secured first lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 12,908 $ 11,514
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Secured first lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 15,526 16,320
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Secured first lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 14,543 14,656
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Unsecured debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 6,125 764
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Unsecured debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 6,125 11,514
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Unsecured debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 6,125 4,249
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Preferred and common equity / equivalents | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 3,130 764
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Preferred and common equity / equivalents | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 43,117 42,926
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Preferred and common equity / equivalents | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value 20,544 19,963
Significant Unobservable Inputs (Level 3) | Market Quote | Secured second lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments owned, fair value $ 9,830 $ 10,791
Significant Unobservable Inputs (Level 3) | Market Quote | IBP | Secured second lien debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.543 0.820
Significant Unobservable Inputs (Level 3) | Market Quote | IBP | Secured second lien debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.975 0.950
Significant Unobservable Inputs (Level 3) | Market Quote | IBP | Secured second lien debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.788 0.865
[1] Fair value was based on net asset value provided by the fund as a practical expedient.
[2] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[3] Security is non-income producing.
[4] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.
[5] Fair value was based on net asset value provided by the fund as a practical expedient.
[6] Security is non-income producing.
[7] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.
[8] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[9] Fair value was based on the indicative bid price on or near December 31, 2022, offered by the respective syndication agent’s trading desk.
[10] Fair value was based on the indicative bid price on or near September 30, 2022, offered by the respective syndication agent’s trading desk.
[11] Fair value was based on an internal yield analysis or on estimates of value submitted by ICE Data Pricing and Reference Data, LLC (“ICE”).
[12] Fair value was based on an internal yield analysis or on estimates of value submitted by ICE Data Pricing and Reference Data, LLC (“ICE”).
[13] The cash interest rate on this investment was indexed to the 30-day Secured Overnight Financing Rate (“SOFR”), which was 3.04% as of September 30, 2022.
[14] One of our affiliated funds, Gladstone Investment Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[15] One of our affiliated funds, Gladstone Investment Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[16] Our investment in B. Riley was valued using Level 1 inputs within the ASC 820 fair value hierarchy. B. Riley 6.75% senior notes are traded on the Nasdaq Global Select Market under the trading symbol “RILYO.” Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[17] Debt security has a fixed interest rate.
[18] The cash interest rate on this investment was indexed to 90-day LIBOR, which was 4.77% as of December 31, 2022.
[19] The cash interest rate on this investment was indexed to 90-day LIBOR, which was 3.75% as of September 30, 2022.
[20] Investment maturity date has passed. Investment continues to make applicable interest payments.
[21] The cash interest rate on this investment was indexed to the U.S. Prime Rate (“PRIME”), which was 7.50% as of December 31, 2022.
[22] Investment maturity date has passed. Investment continues to make applicable interest payments.
[23] The cash interest rate on this investment was indexed to the U.S. Prime Rate (“PRIME”), which was 6.25% as of September 30, 2022.
[24] Debt security is on non-accrual status.
[25] Debt security has a fixed interest rate.
[26] Our investment in Funko was valued using Level 2 inputs within the Financial Accounting Standards Board (“FASB”) Accounting Standard Codification (“ASC”) Topic 820, “Fair Value Measurements and Disclosures” (“ASC 820”) fair value hierarchy. Our common units in Funko are convertible to class A common stock in Funko, Inc. upon meeting certain requirements. Fair value was based on the closing market price of shares of Funko, Inc. as of the reporting date, less a discount for lack of marketability. Funko, Inc. is traded on the Nasdaq Global Select Market under the trading symbol “FNKO.” Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[27] Our investment in Funko was valued using Level 2 inputs within the Financial Accounting Standards Board (“FASB”) Accounting Standard Codification (“ASC”) Topic 820, “Fair Value Measurements and Disclosures" (“ASC 820”) fair value hierarchy. Our common units in Funko are convertible to class A common stock in Funko, Inc. upon meeting certain requirements. Fair value was based on the closing market price of shares of Funko, Inc. as of the reporting date, less a discount for lack of marketability. Funko, Inc. is traded on the Nasdaq Global Select Market under the trading symbol “FNKO.” Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[28] Debt security does not have a stated interest rate that is payable thereon.
[29] Fair value was based on the expected exit or payoff amount, where such event has occurred or is expected to occur imminently.
[30] Investment was exited subsequent to September 30, 2022. Refer to Note 15 – Subsequent Events in the accompanying Notes to the Consolidated Financial Statements for additional information.
[31] The Company has entered into an agreement that entitles it to the "last out" tranche of the first lien secured loans, whereby the "first out" tranche will receive priority as to the "last out" tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of LIBOR plus 6.5% (Floor 1.0%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[32] The Company has entered into an agreement that entitles it to the "last out" tranche of the first lien secured loan, whereby the "first out" tranche will receive priority as to the "last out" tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of LIBOR plus 6.50% (Floor 1.0%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.