CONSOLIDATED SCHEDULE OF INVESTMENTS (Parentheticals) - USD ($)  $ in Thousands  | 
Dec. 31, 2023  | 
Sep. 30, 2023  | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
179.50%
 | 
[1] | 
172.50%
 | 
[2],[3],[4],[5],[6] | 
| Investments owned, fair value | 
 | 
$ 749,985
 | 
 | 
$ 704,815
 | 
[4] | 
| Percentage threshold of qualified assets representing total assets in order to acquire non-qualified assets | 
 | 
70.00%
 | 
 | 
70.00%
 | 
 | 
| Percentage of acquired non-qualifying assets of total assets | 
 | 
0.10%
 | 
 | 
0.10%
 | 
 | 
| Debt instrument, leverage maturity, terms | 
 | 
2 years
 | 
 | 
2 years
 | 
 | 
| Cumulative gross unrealized depreciation | 
 | 
 
 | 
 | 
$ 56,900
 | 
 | 
| Cumulative net unrealized appreciation | 
 | 
 
 | 
 | 
33,700
 | 
 | 
| Cumulative gross unrealized depreciation for federal income tax purposes | 
 | 
 
 | 
 | 
23,200
 | 
 | 
| Based on a tax cost | 
 | 
 
 | 
 | 
$ 728,000
 | 
 | 
| Secured Overnight Financing Rate (SOFR) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
5.35%
 | 
 | 
5.32%
 | 
 | 
| Secured Overnight Financing Rate (SOFR) _90 day | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
5.33%
 | 
 | 
5.40%
 | 
 | 
| Funko Acquisition Holdings, LLC | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 22,000
 | 
 | 
$ 22
 | 
 | 
| Collateral Pledged | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
678,900
 | 
 | 
628,300
 | 
 | 
| Aerospace and Defense | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
105,806
 | 
 | 
97,836
 | 
 | 
| Beverage, Food, and Tobacco | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
80,492
 | 
 | 
78,788
 | 
 | 
| Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
158,612
 | 
 | 
158,061
 | 
 | 
| Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
163,817
 | 
 | 
135,060
 | 
 | 
| Healthcare, Education, and Childcare | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
159,410
 | 
 | 
146,438
 | 
 | 
| Machinery | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
6,216
 | 
 | 
6,411
 | 
 | 
| Oil and Gas | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
23,662
 | 
 | 
27,830
 | 
 | 
| Automobile | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
27,793
 | 
 | 
27,571
 | 
 | 
| Secured first lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
546,602
 | 
 | 
510,701
 | 
 | 
| Secured second lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
126,571
 | 
 | 
127,854
 | 
 | 
| Unsecured debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
23
 | 
 | 
24
 | 
 | 
| Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
29,722
 | 
 | 
26,855
 | 
 | 
| Common Equity/ Equivalents | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 47,067
 | 
 | 
$ 39,381
 | 
 | 
| Non-Control/Non-Affiliate investments | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
169.50%
 | 
[1],[7],[8],[9],[10] | 
162.40%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 708,506
 | 
[10] | 
$ 663,544
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
126.60%
 | 
[1],[7],[8],[9],[10] | 
120.30%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 529,003
 | 
[10] | 
$ 491,686
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Aerospace and Defense | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
19.10%
 | 
[1],[7],[8],[9],[10] | 
19.30%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 79,845
 | 
[10] | 
$ 78,720
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Beverage, Food, and Tobacco | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
16.20%
 | 
[1],[7],[8],[9],[10] | 
17.80%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 67,571
 | 
[10] | 
$ 72,868
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Buildings and Real Estate | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.50%
 | 
[1],[7],[8],[9],[10] | 
0.50%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 2,277
 | 
[10] | 
$ 2,150
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
27.40%
 | 
[1],[7],[8],[9],[10] | 
27.90%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 114,490
 | 
[10] | 
$ 113,878
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
31.30%
 | 
[1],[7],[8],[9],[10] | 
25.50%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 130,913
 | 
[10] | 
$ 104,293
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Healthcare, Education, and Childcare | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
29.60%
 | 
[1],[7],[8],[9],[10] | 
26.50%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 123,763
 | 
[10] | 
$ 108,185
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Machinery | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.50%
 | 
[1],[7],[8],[9],[10] | 
1.40%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 6,013
 | 
[10] | 
$ 5,724
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Oil and Gas | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
[1],[7],[8],[9],[10] | 
0.10%
 | 
 | 
 
 | 
 | 
| Non-Control/Non-Affiliate investments | Secured first lien debt | Telecommunications | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.90%
 | 
[1],[7],[8],[9],[10] | 
1.40%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 3,806
 | 
[10] | 
$ 5,868
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
28.50%
 | 
[1],[7],[8],[9],[10] | 
29.50%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
[10] | 
$ 119,146
 | 
 | 
 
 | 
 | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | Beverage, Food, and Tobacco | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9],[10] | 
0.60%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
8.50%
 | 
[1],[7],[8],[9],[10] | 
8.90%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 35,604
 | 
[10] | 
$ 36,136
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
4.00%
 | 
[1],[7],[8],[9],[10] | 
4.00%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 16,809
 | 
[10] | 
$ 16,465
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | Healthcare, Education, and Childcare | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
6.60%
 | 
[1],[7],[8],[9],[10] | 
7.10%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | Oil and Gas | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
4.80%
 | 
[1],[7],[8],[9],[10] | 
5.10%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
[11] | 
 
 | 
 | 
$ 120,429
 | 
 | 
| Non-Control/Non-Affiliate investments | Secured second lien debt | Automobile | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
3.90%
 | 
[1],[7],[8],[9],[10] | 
3.80%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 16,152
 | 
[10] | 
$ 15,675
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Unsecured debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Unsecured debt | Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
5.90%
 | 
[1],[7],[8],[9],[10] | 
5.30%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 24,589
 | 
[10] | 
$ 21,733
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Beverage, Food, and Tobacco | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.70%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
[10] | 
$ 7,148
 | 
 | 
 
 | 
 | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Buildings and Real Estate | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.10%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.10%
 | 
[1],[7],[8],[9],[10] | 
0.30%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
2.80%
 | 
[1],[7],[8],[9],[10] | 
2.40%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 11,524
 | 
[10] | 
$ 9,654
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Healthcare, Education, and Childcare | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.50%
 | 
[1],[7],[8],[9],[10] | 
0.80%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Oil and Gas | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9],[10] | 
1.70%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 3,015
 | 
[10] | 
$ 6,826
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Telecommunications | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Preferred Equity | Automobile | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.10%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
8.50%
 | 
[1],[7],[8],[9],[10] | 
7.30%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 35,745
 | 
[10] | 
$ 29,672
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Aerospace and Defense | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
6.20%
 | 
[1],[7],[8],[9],[10] | 
4.70%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 25,961
 | 
[10] | 
$ 19,116
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Beverage, Food, and Tobacco | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9],[10] | 
0.80%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 2,863
 | 
[10] | 
$ 3,284
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Buildings and Real Estate | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[10] | 
$ 0
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.10%
 | 
[1],[7],[8],[9],[10] | 
0.10%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Healthcare, Education, and Childcare | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.40%
 | 
[1],[7],[8],[9],[10] | 
1.50%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 5,993
 | 
[10] | 
$ 6,002
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Machinery | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.10%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Oil and Gas | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Investments owned, fair value | 
 | 
$ 146
 | 
[10] | 
$ 146
 | 
[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Telecommunications | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Automobile | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.10%
 | 
[1],[7],[8],[9],[10] | 
0.10%
 | 
[2],[3],[5],[6],[11] | 
| Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[10] | 
0.00%
 | 
[2],[3],[5],[6],[11] | 
| Affiliate investments | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
2.60%
 | 
[1],[7],[8],[9],[12] | 
2.60%
 | 
[2],[3],[5],[6],[13] | 
| Investments owned, fair value | 
 | 
$ 10,716
 | 
[12] | 
$ 10,421
 | 
[13] | 
| Affiliate investments | Secured first lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9],[12] | 
0.70%
 | 
[2],[3],[5],[6],[13] | 
| Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9],[12] | 
0.70%
 | 
[2],[3],[5],[6],[13] | 
| Affiliate investments | Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.20%
 | 
[1],[7],[8],[9],[12] | 
1.30%
 | 
[2],[3],[5],[6],[13] | 
| Investments owned, fair value | 
 | 
$ 5,133
 | 
[12] | 
$ 5,122
 | 
[13] | 
| Affiliate investments | Preferred Equity | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[12] | 
0.00%
 | 
[2],[3],[5],[6],[13] | 
| Affiliate investments | Preferred Equity | Diversified/Conglomerate Service | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.00%
 | 
[1],[7],[8],[9],[12] | 
1.10%
 | 
[2],[3],[5],[6],[13] | 
| Affiliate investments | Preferred Equity | Personal and Non-Durable Consumer Products (Manufacturing Only) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.20%
 | 
[1],[7],[8],[9],[12] | 
0.20%
 | 
[2],[3],[5],[6],[13] | 
| Affiliate investments | Common Equity/ Equivalents | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9] | 
0.60%
 | 
[2],[3],[5],[6],[13] | 
| Affiliate investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.70%
 | 
[1],[7],[8],[9],[12] | 
0.60%
 | 
[2],[3],[5],[6],[13] | 
| Control investments | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
7.40%
 | 
[1],[7],[8],[9],[14] | 
7.50%
 | 
[2],[3],[5],[6],[15] | 
| Investments owned, fair value | 
 | 
$ 30,763
 | 
[14] | 
$ 30,850
 | 
[15] | 
| Control investments | Secured first lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
3.50%
 | 
[1],[7],[8],[9],[14] | 
3.90%
 | 
[2],[3],[5],[6],[15] | 
| Investments owned, fair value | 
[15] | 
 
 | 
 | 
$ 16,120
 | 
 | 
| Control investments | Secured first lien debt | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.90%
 | 
[1],[7],[8],[9],[14] | 
0.90%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Secured first lien debt | Personal and Non-Durable Consumer Products (Manufacturing Only) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
2.50%
 | 
[1],[7],[8],[9],[14] | 
2.80%
 | 
[2],[3],[5],[6],[15] | 
| Investments owned, fair value | 
 | 
$ 10,463
 | 
[14] | 
$ 11,293
 | 
[15] | 
| Control investments | Secured first lien debt | Printing and Publishing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.10%
 | 
[1],[7],[8],[9],[14] | 
0.20%
 | 
[2],[3],[5],[6],[15] | 
| Investments owned, fair value | 
[14] | 
$ 14,770
 | 
 | 
 
 | 
 | 
| Control investments | Secured second lien debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.80%
 | 
[1],[7],[8],[9],[14] | 
1.80%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Secured second lien debt | Automobile | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
1.80%
 | 
[1],[7],[8],[9],[14] | 
1.80%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[14] | 
0.00%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Preferred Equity | Personal and Non-Durable Consumer Products (Manufacturing Only) | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.00%
 | 
[1],[7],[8],[9],[14] | 
0.00%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Common Equity/ Equivalents | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
2.10%
 | 
[1],[7],[8],[9],[14] | 
1.80%
 | 
[2],[3],[5],[6],[15] | 
| Investments owned, fair value | 
 | 
$ 8,568
 | 
[14] | 
$ 7,305
 | 
[15] | 
| Control investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.30%
 | 
[1],[7],[8],[9],[14] | 
0.00%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Common Equity/ Equivalents | Machinery | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
[2],[3],[5],[6],[15] | 
 
 | 
 | 
0.10%
 | 
 | 
| Control investments | Common Equity/ Equivalents | Automobile | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.90%
 | 
[1],[7],[8],[9],[14] | 
1.00%
 | 
[2],[3],[5],[6],[15] | 
| Control investments | Common Equity/ Equivalents | Printing and Publishing | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment owned, percent of net assets | 
 | 
0.90%
 | 
[1],[7],[8],[9],[14] | 
0.70%
 | 
[2],[3],[5],[6],[15] | 
| Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
[1],[7],[8],[9],[16],[17],[18] | 
$ 843
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[17],[18] | 
246
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[19] | 
25,205
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[19] | 
0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[19] | 
$ 756
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.90%
 | 
[1],[7],[8],[9],[20] | 
7.90%
 | 
[2],[3],[5],[6],[21] | 
| Investment, interest rate, paid in cash | 
 | 
13.20%
 | 
[1],[7],[8],[9],[20] | 
13.20%
 | 
[2],[3],[5],[6],[21] | 
| Investments owned, fair value | 
 | 
$ 2,910
 | 
[20] | 
$ 2,495
 | 
[21] | 
| Investment, Identifier [Axis]: ALS Education, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.40%
 | 
[1],[7],[8],[9],[22] | 
12.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 3,000
 | 
[1],[7],[8],[9],[22] | 
$ 3,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: ALS Education, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.40%
 | 
[1],[7],[8],[9],[22] | 
12.30%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 32,560
 | 
[22] | 
$ 18,700
 | 
[23] | 
| Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[24],[25] | 
 
 | 
 | 
$ 18,436
 | 
 | 
| Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
10.00%
 | 
[1],[7],[8],[9],[19] | 
10.00%
 | 
[2],[3],[5],[6],[25] | 
| Investment, interest rate, paid in cash | 
 | 
15.40%
 | 
[1],[7],[8],[9],[19] | 
15.30%
 | 
[2],[3],[5],[6],[25] | 
| Investment, interest rate, paid in kind | 
 | 
4.00%
 | 
[1],[7],[8],[9],[19] | 
4.00%
 | 
[2],[3],[5],[6],[25] | 
| Investments owned, fair value | 
 | 
$ 30,328
 | 
[19] | 
$ 30,048
 | 
[25] | 
| Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 203
 | 
[16],[19] | 
$ 403
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
11.50%
 | 
[1],[7],[8],[9],[22] | 
11.50%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
10.50%
 | 
[1],[7],[8],[9],[22] | 
10.50%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in kind | 
 | 
6.40%
 | 
[1],[7],[8],[9],[22] | 
6.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 1,000
 | 
[1],[7],[8],[9],[22] | 
$ 1,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
11.50%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
10.50%
 | 
 | 
| Investment, interest rate, paid in kind | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
6.30%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 5,724
 | 
 | 
| Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
11.50%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
10.50%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in kind | 
[1],[7],[8],[9],[22] | 
6.40%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 6,013
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
9.10%
 | 
[1],[7],[8],[9],[22] | 
8.60%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
14.50%
 | 
[1],[7],[8],[9],[22] | 
13.90%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 11,025
 | 
[22] | 
$ 11,291
 | 
[23] | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
2.00%
 | 
[1],[7],[8],[9],[19],[26] | 
2.00%
 | 
[2],[3],[5],[6],[23],[27] | 
| Investment, interest rate, paid in cash | 
 | 
7.40%
 | 
[1],[7],[8],[9],[19],[26] | 
7.30%
 | 
[2],[3],[5],[6],[23],[27] | 
| Line of credit facility, available | 
 | 
$ 0
 | 
[1],[7],[8],[9],[19],[26] | 
$ 0
 | 
[2],[3],[5],[6],[23],[27] | 
| Investments owned, fair value | 
 | 
$ 634
 | 
[19],[26] | 
$ 978
 | 
[23],[27] | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
2.00%
 | 
[1],[7],[8],[9],[19],[26] | 
2.00%
 | 
[2],[3],[5],[6],[23],[27] | 
| Investment, interest rate, paid in cash | 
 | 
7.40%
 | 
[1],[7],[8],[9],[19],[26] | 
7.30%
 | 
[2],[3],[5],[6],[23],[27] | 
| Investments owned, fair value | 
 | 
$ 3,172
 | 
[19],[26] | 
$ 4,890
 | 
[23],[27] | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Common Stock Warrant | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
0
 | 
[16],[19],[26] | 
0
 | 
[24],[25],[27] | 
| Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19],[26] | 
$ 0
 | 
[24],[25],[27] | 
| Investment, Identifier [Axis]: CHA Holdings, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[21],[28] | 
 
 | 
 | 
9.00%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[21],[28] | 
 
 | 
 | 
14.40%
 | 
 | 
| Investments owned, fair value | 
[21],[28] | 
 
 | 
 | 
$ 2,820
 | 
 | 
| Investment, Identifier [Axis]: CHA Holdings, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[4],[7],[8],[9],[20] | 
8.90%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[4],[7],[8],[9],[20] | 
14.30%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[4],[20] | 
$ 2,820
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Cafe Zupas – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
6.80%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
12.10%
 | 
 | 
| Line of credit facility, available | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
$ 1,500
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 0
 | 
 | 
| Investment, Identifier [Axis]: Café Zupas – Delayed Draw Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
6.80%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.40%
 | 
[1],[7],[8],[9],[22] | 
12.10%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 9,100
 | 
[1],[7],[8],[9],[22] | 
$ 2,070
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 1,400
 | 
[22] | 
$ 7,850
 | 
[23] | 
| Investment, Identifier [Axis]: Café Zupas – Line of Credit, | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
12.40%
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
[1],[7],[8],[9],[22] | 
$ 1,750
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Café Zupas – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
6.80%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.40%
 | 
[1],[7],[8],[9],[22] | 
12.10%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 26,250
 | 
[22] | 
$ 23,108
 | 
[23] | 
| Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
2,754
 | 
[16],[19] | 
2,404
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 923
 | 
[16],[19] | 
$ 857
 | 
[24],[25] | 
| Investment, Identifier [Axis]: DKI Ventures, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
9.00%
 | 
[1],[7],[8],[9],[19],[29] | 
9.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Line of credit facility, available | 
 | 
$ 25
 | 
[1],[7],[8],[9],[19],[29] | 
$ 170
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 190
 | 
[19],[29] | 
$ 113
 | 
[23],[30] | 
| Investment, Identifier [Axis]: DKI Ventures, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
9.00%
 | 
[1],[7],[8],[9],[19],[29] | 
9.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 3,217
 | 
[19],[29] | 
$ 3,253
 | 
[23],[30] | 
| Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 3,805
 | 
[16],[19] | 
$ 3,948
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[25] | 
 
 | 
 | 
9.60%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[25] | 
 
 | 
 | 
14.90%
 | 
 | 
| Investments owned, fair value | 
[25] | 
 
 | 
 | 
$ 7,425
 | 
 | 
| Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[19] | 
9.60%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[19] | 
15.00%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[19] | 
$ 7,425
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.30%
 | 
[1],[7],[8],[9],[22] | 
8.30%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.60%
 | 
[1],[7],[8],[9],[22] | 
13.60%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 21,867
 | 
[22] | 
$ 21,397
 | 
[23] | 
| Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19],[26] | 
$ 0
 | 
[24],[25],[27] | 
| Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[25],[27],[31] | 
 
 | 
 | 
5.50%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[25],[27],[31] | 
 
 | 
 | 
10.80%
 | 
 | 
| Investments owned, fair value | 
[25],[27],[31] | 
 
 | 
 | 
$ 2,895
 | 
 | 
| Investment, Identifier [Axis]: Eegee’s LLC – Delayed Draw Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.80%
 | 
[1],[7],[8],[9],[22] | 
7.80%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
13.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in kind | 
[1],[7],[8],[9],[22] | 
5.10%
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
 | 
$ 4,500
 | 
[1],[7],[8],[9],[22] | 
$ 4,500
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 3,026
 | 
[22] | 
$ 2,865
 | 
[23] | 
| Investment, Identifier [Axis]: Eegee’s LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.80%
 | 
[1],[7],[8],[9],[22] | 
7.80%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.10%
 | 
[1],[7],[8],[9],[22] | 
13.10%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 0
 | 
[1],[7],[8],[9],[22] | 
$ 1,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 1,000
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: Eegee’s LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
7.80%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
13.10%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 16,235
 | 
 | 
| Investment, Identifier [Axis]: Eegee’s LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.80%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in kind | 
[1],[7],[8],[9],[22] | 
5.10%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 17,145
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 4,210
 | 
[16],[19] | 
4,265
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[19] | 
5.50%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[19],[26],[32] | 
10.90%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[19],[26],[32] | 
$ 2,829
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[24],[25] | 
 
 | 
 | 
$ 0
 | 
 | 
| Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.30%
 | 
[1],[7],[8],[9],[22] | 
8.30%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.60%
 | 
[1],[7],[8],[9],[22] | 
13.60%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 3,000
 | 
[1],[7],[8],[9],[22] | 
$ 3,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.30%
 | 
[1],[7],[8],[9],[22] | 
8.30%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
10.00%
 | 
[1],[7],[8],[9],[22] | 
13.60%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in kind | 
[1],[7],[8],[9],[22] | 
3.60%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 21,772
 | 
[22] | 
$ 19,726
 | 
[23] | 
| Investment, Identifier [Axis]: FES Resources Holdings LLC – Common Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
0
 | 
[16],[19] | 
0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: FES Resources Holdings LLC – Preferred Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 791
 | 
[16],[19] | 
$ 4,508
 | 
[24],[25] | 
| Investment, Identifier [Axis]: FES Resources Holdings LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[19],[29] | 
4.50%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[19],[29] | 
$ 325
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Fix-It Group, LLC – Delayed Draw Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.10%
 | 
[1],[7],[8],[9],[22] | 
8.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.50%
 | 
[1],[7],[8],[9],[22] | 
13.40%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 0
 | 
[1],[7],[8],[9],[22] | 
$ 0
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 6,911
 | 
[22] | 
$ 6,894
 | 
[23] | 
| Investment, Identifier [Axis]: Fix-It Group, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.10%
 | 
[1],[7],[8],[9],[22] | 
8.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.50%
 | 
[1],[7],[8],[9],[22] | 
13.40%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 1,100
 | 
[1],[7],[8],[9],[22] | 
$ 2,500
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 1,900
 | 
[22] | 
$ 499
 | 
[23] | 
| Investment, Identifier [Axis]: Fix-It Group, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.10%
 | 
[1],[7],[8],[9],[22] | 
8.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.50%
 | 
[1],[7],[8],[9],[22] | 
13.40%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 12,318
 | 
[22] | 
$ 12,170
 | 
[23] | 
| Investment, Identifier [Axis]: Frontier Financial Group Inc. – Convertible Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[19],[29] | 
6.00%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[25],[30] | 
 
 | 
 | 
6.00%
 | 
 | 
| Investments owned, fair value | 
 | 
$ 23
 | 
[19],[29] | 
$ 24
 | 
[25],[30] | 
| Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
0
 | 
[16],[19] | 
0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock Warrant | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
0
 | 
[16],[19] | 
0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC(S) – Common Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
22
 | 
[16],[26],[33] | 
22
 | 
[24],[27],[34] | 
| Investment, Identifier [Axis]: GFRC 360, LLC – Common Stock Warrants | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19] | 
$ 0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: GFRC 360, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 175
 | 
[1],[7],[8],[9],[22] | 
$ 175
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
1,276
 | 
[22] | 
1,205
 | 
[23] | 
| Investment, Identifier [Axis]: GFRC 360, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19] | 
$ 253
 | 
[24],[25] | 
| Investment, Identifier [Axis]: GFRC 360, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.30%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 1,001
 | 
[22] | 
$ 945
 | 
[23] | 
| Investment, Identifier [Axis]: GSM MidCo LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 1,561
 | 
[16],[19] | 
$ 1,562
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Giving Home Health Care, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
12.50%
 | 
[1],[7],[8],[9],[22],[29] | 
12.50%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 27,495
 | 
[22],[29] | 
$ 28,800
 | 
[23],[30] | 
| Investment, Identifier [Axis]: Giving Home Health Care, LLC – Warrant | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 3,563
 | 
[16],[19] | 
$ 2,794
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Gray Matter Systems, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
12.00%
 | 
[1],[7],[8],[9],[22],[29] | 
12.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investment, interest rate, paid in kind | 
 | 
2.00%
 | 
[1],[7],[8],[9],[22],[29] | 
2.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 13,989
 | 
[22],[29] | 
$ 13,645
 | 
[23],[30] | 
| Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.40%
 | 
[2],[3],[5],[6],[23],[28] | 
| Line of credit facility, available | 
 | 
$ 110
 | 
[1],[7],[8],[9],[22] | 
$ 478
 | 
[2],[3],[5],[6],[23],[28] | 
| Investments owned, fair value | 
 | 
1,761
 | 
[22] | 
1,347
 | 
[23],[28] | 
| Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 2,159
 | 
[16],[19] | 
$ 3,451
 | 
[24],[25] | 
| Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.40%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investments owned, fair value | 
 | 
$ 16,292
 | 
[22] | 
$ 15,872
 | 
[23],[28] | 
| Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.40%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investments owned, fair value | 
 | 
$ 3,281
 | 
[22] | 
$ 3,197
 | 
[23],[28] | 
| Investment, Identifier [Axis]: Imperative Holdings Corporation – Preferred Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 2,224
 | 
[16],[19] | 
$ 2,318
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
9.80%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
15.10%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 20,858
 | 
 | 
| Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
9.80%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
15.10%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 20,176
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Leadpoint Business Services, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.50%
 | 
[1],[7],[8],[9],[22] | 
8.50%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.90%
 | 
[1],[7],[8],[9],[22] | 
13.80%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 25,500
 | 
[22] | 
$ 13,399
 | 
[23] | 
| Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
[2],[3],[5],[6],[24],[35],[36] | 
 
 | 
 | 
843
 | 
 | 
| Investments owned, fair value | 
[24],[35],[36] | 
 
 | 
 | 
$ 231
 | 
 | 
| Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in kind | 
[2],[3],[5],[6],[25],[30] | 
 
 | 
 | 
8.00%
 | 
 | 
| Investments owned, fair value | 
[25],[30] | 
 
 | 
 | 
$ 3,927
 | 
 | 
| Investment, Identifier [Axis]: Lonestar EMS, LLC – Common Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 1,131
 | 
[16],[19] | 
0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[19],[29] | 
8.00%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[19],[29] | 
$ 4,007
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 8,904
 | 
[19] | 
$ 8,904
 | 
[24],[25] | 
| Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.60%
 | 
[1],[7],[8],[9],[22] | 
7.60%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.00%
 | 
[1],[7],[8],[9],[22] | 
12.90%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in kind | 
 | 
3.50%
 | 
[1],[7],[8],[9],[22] | 
3.50%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 19,770
 | 
[22] | 
$ 17,628
 | 
[23] | 
| Investment, Identifier [Axis]: NeoGraf Solutions LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19] | 
$ 0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: NeoGraf Solutions LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
11.00%
 | 
[1],[7],[8],[9],[22] | 
11.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in kind | 
 | 
1.40%
 | 
[1],[7],[8],[9],[22] | 
1.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 4,500
 | 
[1],[7],[8],[9],[22] | 
$ 4,500
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: NeoGraf Solutions LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
11.00%
 | 
[1],[7],[8],[9],[22] | 
11.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in kind | 
 | 
1.40%
 | 
[1],[7],[8],[9],[22] | 
1.30%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 25,074
 | 
[22] | 
$ 26,000
 | 
[23] | 
| Investment, Identifier [Axis]: OCI, LLC – Common Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19] | 
$ 0
 | 
[24],[25] | 
| Investment, Identifier [Axis]: OCI, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.50%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
12.90%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 18,870
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: OCI, LLC – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
7.50%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
12.80%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 19,800
 | 
 | 
| Investment, Identifier [Axis]: OCI, LLC – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22],[29] | 
7.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investment, interest rate, paid in kind | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22],[29] | 
7.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 2,048
 | 
[22],[29] | 
$ 1,992
 | 
[23],[30] | 
| Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[24],[25] | 
 
 | 
 | 
$ 680
 | 
 | 
| Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.30%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 17,443
 | 
[22] | 
$ 17,294
 | 
[23] | 
| Investment, Identifier [Axis]: PIC 360, LLC – Common Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[24],[25] | 
 
 | 
 | 
$ 284
 | 
 | 
| Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.50%
 | 
[1],[7],[8],[9],[22],[37] | 
7.50%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investment, interest rate, paid in cash | 
 | 
12.80%
 | 
[1],[7],[8],[9],[22],[37] | 
12.90%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investments owned, fair value | 
 | 
$ 27,922
 | 
[22],[37] | 
$ 27,965
 | 
[23],[28] | 
| Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.50%
 | 
[1],[7],[8],[9],[22],[37] | 
7.50%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investment, interest rate, paid in cash | 
 | 
12.80%
 | 
[1],[7],[8],[9],[22],[37] | 
12.90%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investments owned, fair value | 
 | 
$ 4,986
 | 
[22],[37] | 
$ 4,994
 | 
[23],[28] | 
| Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[19] | 
$ 2,000
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22],[29] | 
12.00%
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
[1],[7],[8],[9],[22],[29] | 
$ 2,000
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22],[29] | 
$ 0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22],[29] | 
12.00%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22],[29] | 
$ 9,000
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Salt & Straw, LLC – Common Warrant | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[16],[19] | 
$ 31
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Salt & Straw, LLC – Delayed Draw Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
9.10%
 | 
[1],[7],[8],[9],[22] | 
9.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
14.50%
 | 
[1],[7],[8],[9],[22] | 
14.40%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 3,500
 | 
[1],[7],[8],[9],[22] | 
$ 1,300
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 10,250
 | 
[22] | 
$ 9,715
 | 
[23] | 
| Investment, Identifier [Axis]: Salt & Straw, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
9.10%
 | 
[1],[7],[8],[9],[22] | 
9.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
14.50%
 | 
[1],[7],[8],[9],[22] | 
14.40%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 2,000
 | 
[1],[7],[8],[9],[22] | 
$ 2,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
0
 | 
[22] | 
0
 | 
[23] | 
| Investment, Identifier [Axis]: Salt & Straw, LLC – Preferred Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[19] | 
7,000
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Salvo Technologies, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 551
 | 
[16],[19] | 
$ 1,225
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Salvo Technologies, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
9.50%
 | 
[1],[7],[8],[9],[22] | 
9.50%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
14.90%
 | 
[1],[7],[8],[9],[22] | 
14.80%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 11,648
 | 
[22] | 
$ 10,900
 | 
[23] | 
| Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 192
 | 
[16],[19] | 
$ 183
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
11.30%
 | 
[1],[7],[8],[9],[22],[29] | 
11.30%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investment, interest rate, paid in kind | 
 | 
2.00%
 | 
[1],[7],[8],[9],[22],[29] | 
2.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 12,134
 | 
[22],[29] | 
$ 11,675
 | 
[23],[30] | 
| Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
 | 
12.00%
 | 
[1],[7],[8],[9],[22],[29] | 
12.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investment, interest rate, paid in kind | 
 | 
2.00%
 | 
[1],[7],[8],[9],[22],[29] | 
2.00%
 | 
[2],[3],[5],[6],[23],[30] | 
| Investments owned, fair value | 
 | 
$ 4,018
 | 
[22],[29] | 
$ 4,000
 | 
[23],[30] | 
| Investment, Identifier [Axis]: Sea Link International IRB, Inc.– Common Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
219
 | 
[16],[19] | 
340
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 1,615
 | 
[16],[19] | 
$ 1,612
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
12.40%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 8,500
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
7.00%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
12.30%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 13,095
 | 
 | 
| Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.20%
 | 
[1],[7],[8],[9],[22],[37] | 
7.20%
 | 
[2],[3],[5],[6],[23],[28] | 
| Investment, interest rate, paid in cash | 
 | 
12.50%
 | 
[1],[7],[8],[9],[22],[37] | 
12.50%
 | 
[2],[3],[5],[6],[23],[28] | 
| Line of credit facility, available | 
 | 
$ 0
 | 
[1],[7],[8],[9],[22],[37] | 
$ 550
 | 
[2],[3],[5],[6],[23],[28] | 
| Investments owned, fair value | 
 | 
$ 2,000
 | 
[22],[37] | 
$ 1,434
 | 
[23],[28] | 
| Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Deb | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22],[37] | 
7.20%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22],[37] | 
12.50%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22],[37] | 
$ 30,074
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23],[28] | 
 
 | 
 | 
7.20%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23],[28] | 
 
 | 
 | 
12.50%
 | 
 | 
| Investments owned, fair value | 
[23],[28] | 
 
 | 
 | 
$ 29,944
 | 
 | 
| Investment, Identifier [Axis]: Springfield, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
10.10%
 | 
[1],[7],[8],[9],[22] | 
10.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
15.50%
 | 
[1],[7],[8],[9],[22] | 
15.40%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 29,334
 | 
[22] | 
$ 29,850
 | 
[23] | 
| Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Common Equity Units | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 3,632
 | 
[16],[19] | 
3,073
 | 
[24],[25] | 
| Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[19],[29] | 
8.00%
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
[1],[7],[8],[9],[19],[29] | 
$ 1,700
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 300
 | 
[19],[29] | 
$ 900
 | 
[25],[30] | 
| Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC—-Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[25],[30] | 
 
 | 
 | 
8.00%
 | 
 | 
| Line of credit facility, available | 
[2],[3],[5],[6],[25],[30] | 
 
 | 
 | 
$ 1,100
 | 
 | 
| Investment, Identifier [Axis]: Tailwind Smith Cooper Intermediate Corporation – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
9.00%
 | 
[1],[7],[8],[9],[20],[37] | 
9.00%
 | 
[2],[3],[5],[6],[21],[28] | 
| Investment, interest rate, paid in cash | 
 | 
14.30%
 | 
[1],[7],[8],[9],[20],[37] | 
14.40%
 | 
[2],[3],[5],[6],[21],[28] | 
| Investments owned, fair value | 
 | 
$ 4,222
 | 
[20],[37] | 
$ 4,294
 | 
[21],[28] | 
| Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 623
 | 
[16],[19] | 
$ 1,415
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Technical Resource Management, LLC – Delayed Draw Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 2,500
 | 
[1],[7],[8],[9],[22] | 
$ 2,500
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 1,000
 | 
[1],[7],[8],[9],[22] | 
$ 1,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 2,051
 | 
[22] | 
$ 1,970
 | 
[23] | 
| Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.00%
 | 
[1],[7],[8],[9],[22] | 
8.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
13.40%
 | 
[1],[7],[8],[9],[22] | 
13.30%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 23,586
 | 
[22] | 
$ 22,655
 | 
[23] | 
| Investment, Identifier [Axis]: Total Safety Holdings, LLC – Common Equity | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
146
 | 
[16],[19] | 
146
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Triple H Food Processors, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
1,248
 | 
[16],[19] | 
1,641
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Triple H Food Processors, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 148
 | 
[16],[19] | 
$ 141
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.00%
 | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.40%
 | 
[1],[7],[8],[9],[22] | 
12.30%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 2,000
 | 
[1],[7],[8],[9],[22] | 
$ 2,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
0
 | 
[22] | 
0
 | 
[23] | 
| Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 620
 | 
[16],[19] | 
$ 750
 | 
[24],[25] | 
| Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
7.00%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
12.30%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 5,664
 | 
 | 
| Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
12.40%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 5,707
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.00%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
12.40%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 1,669
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.30%
 | 
[1],[7],[8],[9],[22] | 
7.30%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.60%
 | 
[1],[7],[8],[9],[22] | 
12.60%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 1,600
 | 
[1],[7],[8],[9],[22] | 
$ 1,500
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 397
 | 
[22] | 
$ 499
 | 
[23] | 
| Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.30%
 | 
[1],[7],[8],[9],[22] | 
7.30%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.60%
 | 
[1],[7],[8],[9],[22] | 
12.60%
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 10,927
 | 
[22] | 
$ 10,986
 | 
[23] | 
| Investment, Identifier [Axis]: Unirac Holdings, Inc. – Delayed Draw Term Loan | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
6.30%
 | 
[1],[7],[8],[9],[22] | 
6.50%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
11.60%
 | 
[1],[7],[8],[9],[22] | 
11.80%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 1,675
 | 
[1],[7],[8],[9],[22] | 
$ 1,669
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 1,114
 | 
[22] | 
$ 1,111
 | 
[23] | 
| Investment, Identifier [Axis]: Unirac Holdings, Inc. – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
6.30%
 | 
[1],[7],[8],[9],[22] | 
6.50%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
11.60%
 | 
[1],[7],[8],[9],[22] | 
11.80%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 1,800
 | 
[1],[7],[8],[9],[22] | 
$ 1,244
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 426
 | 
[22] | 
$ 980
 | 
[23] | 
| Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
6.50%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
11.80%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 14,925
 | 
 | 
| Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
6.30%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
11.60%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 14,961
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: Viva Railings, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
7.10%
 | 
[1],[7],[8],[9],[22] | 
7.10%
 | 
[2],[3],[5],[6],[23] | 
| Investment, interest rate, paid in cash | 
 | 
12.50%
 | 
[1],[7],[8],[9],[22] | 
12.40%
 | 
[2],[3],[5],[6],[23] | 
| Line of credit facility, available | 
 | 
$ 4,000
 | 
[1],[7],[8],[9],[22] | 
$ 4,000
 | 
[2],[3],[5],[6],[23] | 
| Investments owned, fair value | 
 | 
$ 0
 | 
[22] | 
$ 0
 | 
[23] | 
| Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
7.10%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
12.40%
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 20,436
 | 
 | 
| Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
7.10%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
12.50%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 20,625
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: WB Xcel Holdings, LLC - Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[16],[19] | 
$ 0
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
10.50%
 | 
[1],[7],[8],[9],[19] | 
10.50%
 | 
[2],[3],[5],[6],[25] | 
| Investment, interest rate, paid in cash | 
 | 
15.90%
 | 
[1],[7],[8],[9],[19] | 
15.80%
 | 
[2],[3],[5],[6],[25] | 
| Line of credit facility, available | 
 | 
$ 32
 | 
[1],[7],[8],[9],[19] | 
$ 32
 | 
[2],[3],[5],[6],[25] | 
| Investments owned, fair value | 
 | 
$ 1,363
 | 
[19] | 
1,468
 | 
[25] | 
| Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Preferred Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[24],[25] | 
 
 | 
 | 
$ 0
 | 
 | 
| Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[25] | 
 
 | 
 | 
10.50%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[25] | 
 
 | 
 | 
15.80%
 | 
 | 
| Investments owned, fair value | 
[25] | 
 
 | 
 | 
$ 9,825
 | 
 | 
| Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[19] | 
10.50%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[19] | 
15.90%
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[19] | 
$ 9,100
 | 
 | 
 
 | 
 | 
| Investment, Identifier [Axis]: WorkforceQA, LLC – Common Stock | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
 | 
$ 338
 | 
[16],[19] | 
$ 359
 | 
[24],[25] | 
| Investment, Identifier [Axis]: WorkforceQA, LLC – Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
6.50%
 | 
 | 
| Investment, interest rate, paid in cash | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
11.80%
 | 
 | 
| Line of credit facility, available | 
[2],[3],[5],[6],[23] | 
 
 | 
 | 
$ 1,600
 | 
 | 
| Investments owned, fair value | 
[23] | 
 
 | 
 | 
$ 400
 | 
 | 
| Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 1 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
8.30%
 | 
[1],[7],[8],[9],[22],[38] | 
8.40%
 | 
[2],[3],[5],[6],[23],[39] | 
| Investment, interest rate, paid in cash | 
 | 
13.70%
 | 
[1],[7],[8],[9],[22],[38] | 
13.70%
 | 
[2],[3],[5],[6],[23],[39] | 
| Investments owned, fair value | 
 | 
$ 10,036
 | 
[22],[38] | 
$ 9,987
 | 
[23],[39] | 
| Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 2 | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
 | 
9.20%
 | 
[1],[7],[8],[9],[22],[38] | 
9.30%
 | 
[2],[3],[5],[6],[23],[39] | 
| Investment, interest rate, paid in cash | 
 | 
14.50%
 | 
[1],[7],[8],[9],[22],[38] | 
14.60%
 | 
[2],[3],[5],[6],[23],[39] | 
| Investments owned, fair value | 
 | 
$ 1,606
 | 
[22],[38] | 
$ 1,598
 | 
[23],[39] | 
| Investment, Identifier [Axis]: WorkforceQA, LLC– Line of Credit | 
 | 
 
 | 
 | 
 
 | 
 | 
| Schedule of Investments [Line Items] | 
 | 
 
 | 
 | 
 
 | 
 | 
| Investment, reference rate and spread | 
[1],[7],[8],[9],[22] | 
6.50%
 | 
 | 
 
 | 
 | 
| Investment, interest rate, paid in cash | 
[1],[7],[8],[9],[22] | 
11.90%
 | 
 | 
 
 | 
 | 
| Line of credit facility, available | 
[1],[7],[8],[9],[22] | 
$ 1,800
 | 
 | 
 
 | 
 | 
| Investments owned, fair value | 
[22] | 
$ 197
 | 
 | 
 
 | 
 | 
 | 
 |