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Consolidated Schedule of Investments (Parenthetical) - USD ($)
$ in Thousands

9 Months Ended

12 Months Ended

Sep. 30, 2022

Dec. 31, 2021

Schedule of Investments [Line Items]

Percentage of debt securities contains floor rates

74.80%

74.80%

Aggregate cost of investments

$ 630,191

$ 605,365

Aggregate gross unrealized appreciation

33,800

29,300

Aggregate gross unrealized depreciation

37,700

41,300

Net unrealized depreciation

$ 3,800

$ (12,000)

Percentage of qualifying assets to total assets

84.70%

84.20%

Maximum

Schedule of Investments [Line Items]

Floor rate

2.00%

2.00%

Minimum

Schedule of Investments [Line Items]

Floor rate

0.50%

0.50%

Investments

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

227.00%

^[1]

194.00%

^[2]

Aggregate cost of investments

$ 630,191

Garrison Capital Equity Holdings II LLC

Schedule of Investments [Line Items]

Non controlling member interest rate

17.50%

17.50%

ATP Oil & Gas Corporation

Schedule of Investments [Line Items]

Royalty interest

5.00%

5.00%

Senior Secured Loan

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

165.00%

130.00%

Aggregate cost of investments

$ 426,052

$ 361,556

Junior Secured Loan

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

^[3]

(25.00%)

Aggregate cost of investments

$ 65,672

$ 82,996

Percentage of equities of net asset value at fair value

24.00%

Senior Unsecured Bond

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

0.00%

Effective interest

10.00%

Aggregate cost of investments

$ 416

$ 416

Percentage of equities of net asset value at fair value

0.00%

Equity Securities

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

10.00%

(8.00%)

^[3]

Aggregate cost of investments

$ 27,679

$ 26,680

Investments For Federal Income Tax Purpose

Schedule of Investments [Line Items]

Aggregate cost of investments

$ 627,500

$ 628,600

CLO Subordinated Investments

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

10.00%

11.00%

^[3]

Asset Manager Affiliates

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

0.00%

(0.00%)

^[3]

Aggregate cost of investments

$ 17,791

$ 17,791

Joint Ventures

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

18.00%

(22.00%)

^[3]

Aggregate cost of investments

$ 55,139

$ 64,365

Derivatives

Schedule of Investments [Line Items]

Percentage of net asset value at fair value

0.00%

(1.00%)

^[3]

Aggregate cost of investments

$ 31

$ 31

Controlled Affiliated Investments

Schedule of Investments [Line Items]

Aggregate cost of investments

$ 58,322

$ 52,130

Controlled Affiliated Investments | Minimum

Schedule of Investments [Line Items]

Percentage of outstanding voting securities owned

25.00%

25.00%

Non-controlled Affiliated Investments

Schedule of Investments [Line Items]

Aggregate cost of investments

$ 61,336

$ 74,082

Non-controlled Affiliated Investments | Minimum

Schedule of Investments [Line Items]

Percentage of outstanding voting securities owned

5.00%

5.00%

[1]	The aggregate cost of investments for federal income tax purposes is approximately $627.5 million. The aggregate gross unrealized appreciation is approximately $33.8 million, the aggregate gross unrealized depreciation is approximately $37.7 million., and the net unrealized depreciation is approximately $3.8 million.
[2]	The aggregate cost of investments for federal income tax purposes is approximately $628.6 million. The aggregate gross unrealized appreciation is approximately $29.3 million, the aggregate gross unrealized depreciation is approximately $41.3 million, and the net unrealized depreciation is approximately $12.0 million.
[3]	The Company's investments are generally acquired in private transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and, therefore, are generally subject to limitations on resale, and may be deemed to be “restricted securities'' under the Securities Act of 1933.

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