INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details)  $ in Thousands  | 
 Sep. 30, 2022  
USD ($) 
 | 
 Mar. 31, 2022  
USD ($) 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
$ 737,935
 | 
 | 
$ 714,396
 | 
[1] | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrants | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[3],[4] | 
 
 | 
 | 
921
 | 
 | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
2,800
 | 
[5],[6] | 
2,800
 | 
[2],[3],[7] | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[3],[4] | 
 
 | 
 | 
14,746
 | 
 | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[3],[7] | 
 
 | 
 | 
14,000
 | 
 | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(L) – Common Stock Warrants | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[6],[8],[9] | 
58
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(L) – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[6] | 
14,000
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc.– Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[6],[9] | 
6,342
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Bassett Creek Services, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[4] | 
 
 | 
 | 
17,150
 | 
 | 
| Investment, Identifier [Axis]: Bassett Creek Services, Inc. – Term Debt | 
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 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2] | 
 
 | 
 | 
48,000
 | 
 | 
| Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
27,980
 | 
[5],[9] | 
21,485
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
17,700
 | 
[5] | 
17,700
 | 
[2] | 
| Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
6,850
 | 
[5] | 
6,850
 | 
[2] | 
| Investment, Identifier [Axis]: Counsel Press, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
27,246
 | 
[5],[9] | 
25,374
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
21,100
 | 
[5] | 
21,100
 | 
[2] | 
| Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
6,400
 | 
[5] | 
6,400
 | 
[2] | 
| Investment, Identifier [Axis]: Country Club Enterprises, LLC - Guaranty | 
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 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[10] | 
 
 | 
 | 
0
 | 
 | 
| Investment, Identifier [Axis]: Country Club Enterprises, LLC – Guaranty | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[11] | 
0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Country Club Enterprises, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
1,499
 | 
[12] | 
1,498
 | 
[13] | 
| Investment, Identifier [Axis]: Dema/Mai Holdings, Inc - Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[9] | 
21,000
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Dema/Mai Holdings, Inc – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5] | 
800
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Dema/Mai Holdings, Inc – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5] | 
38,250
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Diligent Delivery Systems – Common Stock Warrants | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
1,827
 | 
[5],[9] | 
1,533
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Diligent Delivery Systems – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,000
 | 
[12] | 
13,000
 | 
[13] | 
| Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[6],[9] | 
0
 | 
[2],[3],[4],[7] | 
| Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[3],[13] | 
 
 | 
 | 
9,072
 | 
 | 
| Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.– Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[6] | 
3,825
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Educators Resource, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
18,937
 | 
[5],[9] | 
19,252
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Educators Resource, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
20,000
 | 
[5] | 
20,000
 | 
[2] | 
| Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC – Common Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
58
 | 
[6],[9],[14] | 
74
 | 
[3],[4],[15],[16] | 
| Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
0
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
6,102
 | 
[5] | 
6,500
 | 
[2] | 
| Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
17,644
 | 
[5] | 
18,796
 | 
[2] | 
| Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
0
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
3,263
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
12,200
 | 
[5] | 
13,300
 | 
[3],[17] | 
| Investment, Identifier [Axis]: Gladstone SOG Investments, Inc. - Common Stock( | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[9] | 
713
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
21,454
 | 
[5],[9] | 
17,807
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
57,700
 | 
[5] | 
27,700
 | 
[2] | 
| Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
14,051
 | 
[5],[9] | 
16,405
 | 
[2],[4],[7] | 
| Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
22,000
 | 
[5] | 
22,000
 | 
[2],[7] | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Guaranty | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[7],[10] | 
 
 | 
 | 
0
 | 
 | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
10,900
 | 
[5],[18] | 
15,023
 | 
[2],[7],[19] | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7],[19] | 
 
 | 
 | 
23,672
 | 
 | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 3 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7],[19] | 
 
 | 
 | 
2,219
 | 
 | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[18] | 
660
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[18] | 
17,176
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 3 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[18] | 
1,610
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: J.R. Hobbs Co. – Atlanta, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
0
 | 
[2],[4],[7] | 
| Investment, Identifier [Axis]: Mason West, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
5,615
 | 
[5],[9] | 
7,553
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Mason West, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
25,250
 | 
[5] | 
25,250
 | 
[2] | 
| Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc. – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5] | 
0
 | 
[2] | 
| Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
19,040
 | 
[5],[9] | 
10,223
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
34,050
 | 
[5] | 
27,700
 | 
[2] | 
| Investment, Identifier [Axis]: Nth Degree Investment Group, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
8,191
 | 
[5],[9] | 
511
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Old World Christmas, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
43,629
 | 
[5],[9] | 
37,842
 | 
[2],[4],[7] | 
| Investment, Identifier [Axis]: Old World Christmas, Inc. – Secured First Lien Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
25,000
 | 
[5] | 
25,000
 | 
[2],[7] | 
| Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[4],[7] | 
 
 | 
 | 
0
 | 
 | 
| Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock( | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[9] | 
0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
23,642
 | 
[5] | 
26,618
 | 
[2] | 
| Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[12] | 
2,410
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit, | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[13] | 
 
 | 
 | 
1,920
 | 
 | 
| Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
0
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
3,024
 | 
[12] | 
3,072
 | 
[13] | 
| Investment, Identifier [Axis]: SFEG Holdings, Inc. – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
0
 | 
[2],[4],[16] | 
| Investment, Identifier [Axis]: SFEG Holdings, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
2,543
 | 
[5],[9] | 
0
 | 
[2],[4] | 
| Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
3,128
 | 
[5] | 
2,909
 | 
[13],[19] | 
| Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
11,736
 | 
[5] | 
10,914
 | 
[13],[19] | 
| Investment, Identifier [Axis]: Schylling, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
16,475
 | 
[5],[9] | 
17,820
 | 
[2],[4] | 
| Investment, Identifier [Axis]: Schylling, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
27,981
 | 
[5] | 
27,981
 | 
[2] | 
| Investment, Identifier [Axis]: The Maids International, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
2,679
 | 
[2],[4],[7] | 
| Investment, Identifier [Axis]: The Maids International, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7] | 
 
 | 
 | 
28,560
 | 
 | 
| Investment, Identifier [Axis]: The Maids International, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5] | 
28,560
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7],[19] | 
 
 | 
 | 
3,400
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7],[19] | 
 
 | 
 | 
800
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[9] | 
0
 | 
[2],[4] | 
| Investment, Identifier [Axis]: The Mountain Corporation – Delayed Draw Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
0
 | 
[5],[18] | 
118
 | 
[2],[7],[19] | 
| Investment, Identifier [Axis]: The Mountain Corporation – Line of Credit 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[18] | 
2,411
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation – Line of Credit 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[18] | 
0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[4] | 
 
 | 
 | 
0
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation – Preferred Stock( | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[9] | 
0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7],[19] | 
 
 | 
 | 
923
 | 
 | 
| Investment, Identifier [Axis]: The Mountain Corporation – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5],[18] | 
0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
5,118
 | 
[5],[9] | 
6,000
 | 
[2],[4],[7] | 
| Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7] | 
 
 | 
 | 
18,250
 | 
 | 
| Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[2],[7] | 
 
 | 
 | 
0
 | 
 | 
| Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
[5] | 
18,250
 | 
 | 
 
 | 
 | 
| Significant Unobservable Inputs (Level 3) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
737,877
 | 
 | 
714,322
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Secured First Lien Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
415,473
 | 
 | 
411,023
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Secured Second Lien Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
62,252
 | 
 | 
39,637
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
229,430
 | 
 | 
217,599
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Common Equity/ Equivalents | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
$ 10,789
 | 
 | 
$ 3,678
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured First Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
3.2
 | 
 | 
3.4
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured First Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
8.0
 | 
 | 
9.3
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured First Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
6.4
 | 
 | 
7.0
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured Second Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
5.1
 | 
 | 
5.6
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured Second Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
6.4
 | 
 | 
6.8
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured Second Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
5.7
 | 
 | 
6.0
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Preferred Equity | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
3.2
 | 
 | 
3.4
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Preferred Equity | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
8.0
 | 
 | 
9.3
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Preferred Equity | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
6.1
 | 
 | 
6.8
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Common Equity/ Equivalents | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
4.4
 | 
 | 
4.8
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Common Equity/ Equivalents | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
7.5
 | 
 | 
8.4
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Common Equity/ Equivalents | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
5.2
 | 
 | 
5.8
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured First Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
$ 3,604
 | 
 | 
$ 3,990
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured First Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
17,320
 | 
 | 
13,707
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured First Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
10,537
 | 
 | 
8,221
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured Second Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
5,302
 | 
 | 
3,953
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured Second Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
5,616
 | 
 | 
5,488
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured Second Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
5,489
 | 
 | 
4,959
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Preferred Equity | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
3,604
 | 
 | 
1,210
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Preferred Equity | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
17,320
 | 
 | 
13,707
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Preferred Equity | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
8,714
 | 
 | 
6,926
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Common Equity/ Equivalents | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
1,065
 | 
 | 
829
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Common Equity/ Equivalents | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
22,002
 | 
 | 
13,707
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Common Equity/ Equivalents | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
$ 6,562
 | 
 | 
$ 5,709
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured First Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.3
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured First Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.6
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured First Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.3
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured Second Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.5
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured Second Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.5
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured Second Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.5
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Preferred Equity | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.3
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Preferred Equity | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.6
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Preferred Equity | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.4
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Common Equity/ Equivalents | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.5
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Common Equity/ Equivalents | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.5
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Common Equity/ Equivalents | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair value, measurement input | 
 | 
0.5
 | 
 | 
0.7
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured First Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
$ 13,188
 | 
 | 
$ 14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured First Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
99,672
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured First Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
80,503
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured Second Lien Debt | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured Second Lien Debt | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured Second Lien Debt | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Preferred Equity | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Preferred Equity | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
99,672
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Preferred Equity | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
50,473
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Common Equity/ Equivalents | Minimum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Common Equity/ Equivalents | Maximum | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Common Equity/ Equivalents | Weighted Average | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
13,188
 | 
 | 
14,072
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured First Lien Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
5,434
 | 
 | 
14,064
 | 
 | 
| Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured Second Lien Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Fair Value | 
 | 
$ 14,499
 | 
 | 
$ 28,321
 | 
 | 
| 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 | 
 | 
0.145
 | 
 | 
0.113
 | 
 | 
| 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 | 
 | 
0.175
 | 
 | 
0.152
 | 
 | 
| 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 | 
 | 
0.162
 | 
 | 
0.146
 | 
 | 
| 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 | 
 | 
0.112
 | 
 | 
0.100
 | 
 | 
| 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 | 
 | 
0.121
 | 
 | 
0.122
 | 
 | 
| 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 | 
 | 
0.120
 | 
 | 
0.116
 | 
 | 
 | 
 |