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Investments - Summary of Details Investments in Affiliates (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | $ 97,503 |  | $ 60,460 |  | $ 60,460 |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | (10,971) |  |  |  | 33,319 |
Net Accretion |  |  |  |  | 353 |  |  |  | 2,679 |
Transfers In (Out) of Affiliates |  |  |  |  | 4,261 |  |  |  |  |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (8,535) |  |  |  | 907 |
Realized Gain (Loss) |  |  |  |  | (197) |  |  |  | 139 |
Fair Value, Ending Balance |  | $ 82,414 |  |  | 82,414 |  |  |  | 97,503 |
Interest Income |  | 14,550 |  | $ 18,140 | 39,314 |  | 50,948 |  |  |
Total Affiliated Interest Income |  |  |  |  | 2,502 |  |  |  | $ 2,262 |
Total Affiliated Principal/ Shares |  |  |  |  |  |  |  |  | 100,169 |
Investment Income, Dividend |  | 2,182 |  | $ 2,443 | 6,361 |  | 7,012 |  | $ 9,176 |
Total Controlled Affiliates |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 23,361 |  | 19,957 |  | 19,957 |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | 1,931 |  |  |  | 2,780 |
Transfers In (Out) of Affiliates |  |  |  |  | 4,261 |  |  |  |  |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (7,661) |  |  |  | 625 |
Fair Value, Ending Balance |  | 21,892 |  |  | 21,892 |  |  |  | $ 23,361 |
Interest Income |  |  |  |  | 181 |  |  |  |  |
Total Affiliated Principal/ Shares |  |  |  |  |  |  |  |  | 27,782 |
Investment Income, Dividend |  |  |  |  | 3,262 |  |  |  | $ 5,170 |
Total Non-controlled Affiliates |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 74,142 |  | 40,503 |  | 40,503 |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | (12,902) |  |  |  | 30,539 |
Net Accretion |  |  |  |  | 353 |  |  |  | 2,679 |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (874) |  |  |  | 282 |
Realized Gain (Loss) |  |  |  |  | (197) |  |  |  | 139 |
Fair Value, Ending Balance |  | 60,522 |  |  | 60,522 |  |  |  | 74,142 |
Interest Income |  |  |  |  | 2,321 |  |  |  | $ 2,262 |
Total Affiliated Principal/ Shares |  |  |  |  |  |  |  |  | 72,387 |
Investment Income, Dividend |  |  |  |  | 3,099 |  |  |  | $ 4,006 |
Total Non-controlled Affiliates | GIG Rooster Holdings I, LLC | Energy: Oil & Gas |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [1],[2],[3] |  |  |  |  |  | 123 |  | 123 |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3] |  |  |  |  |  |  |  | (139) |
Net Change in Unrealized Gain (Loss) | [1],[2],[3] |  |  |  |  |  |  |  | (123) |
Realized Gain (Loss) | [1],[2],[3] |  |  |  |  |  |  |  | $ 139 |
Equity Securities | Total Controlled Affiliates | Tank Partners Equipment Holdings, LLC | Energy: Oil & Gas |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Shares | [1],[2],[4],[5] |  |  |  |  |  |  |  | 49,000 |
Equity Securities | Total Controlled Affiliates | Flight Lease VII | Aerospace and Defense |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [6],[7],[8],[9] |  |  |  | 256 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[5],[10] |  |  |  |  |  |  |  | $ 280 |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (6) | [6],[7],[8],[9] |  |  | (24) | [1],[2],[5],[10]
Fair Value, Ending Balance | [6],[7],[8],[9] | 250 |  |  | 250 |  |  |  | $ 256 |
Shares | [1],[2],[5],[10] |  |  |  |  |  |  |  | 1,938 |
Principal | [6],[7],[8],[9] | 1,938 |  |  | 1,938 |  |  |  |  |
Equity Securities | Total Controlled Affiliates | ProAir, LLC | Capital Equipment |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Transfers In (Out) of Affiliates | [7],[8],[9],[11] |  |  |  | 4,261 |  |  |  |  |
Net Change in Unrealized Gain (Loss) | [7],[8],[9],[11] |  |  |  | (2,783) |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[11] | 1,478 |  |  | 1,478 |  |  |  |  |
Principal | [7],[8],[9],[11] | 2,749,997 |  |  | 2,749,997 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | Flight Lease XII | Aerospace and Defense |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 677 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | (742) | [7],[8],[9],[12] |  |  | $ 530 | [1],[2],[3],[5]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (147) | [7],[8],[9],[12] |  |  | 147 | [1],[2],[3],[5]
Realized Gain (Loss) | [7],[8],[9],[12] |  |  |  | 212 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] |  |  |  |  |  |  |  | $ 677 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 1,000 |
Equity Securities | Total Non-controlled Affiliates | GreenPark Infrastructure, LLC | Energy: Electricity |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [7],[8],[9],[12] |  |  |  | 500 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] | 500 |  |  | 500 |  |  |  |  |
Principal | [7],[8],[9],[12] | 1,000 |  |  | 1,000 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | GreenPark Infrastructure, LLC | Energy: Electricity |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [7],[8],[9],[12] |  |  |  | 171 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] | 171 |  |  | 171 |  |  |  |  |
Principal | [7],[8],[9],[12] | 500 |  |  | 500 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | Kleen-Tech Acquisition, LLC | Services: Business |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 1,612 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3],[5] |  |  |  |  |  |  |  | $ 1,264 |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (322) | [7],[8],[9],[12] |  |  | 347 | [1],[2],[3],[5]
Fair Value, Ending Balance | [7],[8],[9],[12] | 1,290 |  |  | 1,290 |  |  |  | $ 1,612 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 250,000 |
Principal | [7],[8],[9],[12] | 250,000 |  |  | 250,000 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | Northeast Metal Works LLC | Metals & Mining |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 2,368 |
Equity Securities | Total Non-controlled Affiliates | BMP Slappey Holdco, LLC | Telecommunications |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 492 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3],[5] |  |  |  |  |  |  |  | $ 467 |
Net Change in Unrealized Gain (Loss) |  |  |  |  | 60 | [7],[8],[9],[12] |  |  | 25 | [1],[2],[3],[5]
Fair Value, Ending Balance | [7],[8],[9],[12] | 552 |  |  | 552 |  |  |  | $ 492 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 200,000 |
Principal | [7],[8],[9],[12] | 200,000 |  |  | 200,000 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | BMP Slappey Holdco, LLC | Telecommunications | Preferred Stock |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [1],[2],[3],[5] |  |  |  | 219 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3],[5] |  |  |  |  |  |  |  | $ 208 |
Net Change in Unrealized Gain (Loss) | [1],[2],[3],[5] |  |  |  |  |  |  |  | 11 |
Fair Value, Ending Balance | [1],[2],[3],[5] |  |  |  |  |  |  |  | $ 219 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 88,946 |
Equity Securities | Total Non-controlled Affiliates | BMP Slappey Investment II | Telecommunications |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 219 |  |  |  |  |
Net Change in Unrealized Gain (Loss) | [7],[8],[9],[12] |  |  |  | 27 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] | 246 |  |  | 246 |  |  |  | $ 219 |
Principal | [7],[8],[9],[12] | 88,946 |  |  | 88,946 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | Surge Hippodrome Partners LP | Services: Business |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 336 |  |  |  |  |
Net Change in Unrealized Gain (Loss) | [7],[8],[9],[12] |  |  |  | 387 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] | 723 |  |  | 723 |  |  |  | 336 |
Principal | [7],[8],[9],[12] | 185 |  |  | 185 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | Surge Hippodrome Holdings LLC | Services: Business |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [1],[2],[3],[5] |  |  |  | 336 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3],[5] |  |  |  |  |  |  |  | 425 |
Net Change in Unrealized Gain (Loss) | [1],[2],[3],[5] |  |  |  |  |  |  |  | (89) |
Fair Value, Ending Balance | [1],[2],[3],[5] |  |  |  |  |  |  |  | $ 336 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 185 |
Equity Securities | Total Non-controlled Affiliates | Surge Hippodrome Holdings LLC | Services: Business | Warrants |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 201 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3],[5] |  |  |  |  |  |  |  | $ 159 |
Net Change in Unrealized Gain (Loss) |  |  |  |  | 230 | [7],[8],[9],[12] |  |  | 42 | [1],[2],[3],[5]
Fair Value, Ending Balance | [7],[8],[9],[12] | 431 |  |  | 431 |  |  |  | $ 201 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 10 |
Principal | [7],[8],[9],[12] | 10 |  |  | 10 |  |  |  |  |
Equity Securities | Total Non-controlled Affiliates | VTK Acquisition, Inc | Capital Equipment |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[8],[9],[12] |  |  |  | 535 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | (369) | [7],[8],[9],[12] |  |  | $ 251 | [1],[2],[3],[5]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (284) | [7],[8],[9],[12] |  |  | 284 | [1],[2],[3],[5]
Realized Gain (Loss) | [7],[8],[9],[12] |  |  |  | 118 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] |  |  |  |  |  |  |  | $ 535 |
Shares | [1],[2],[3],[5] |  |  |  |  |  |  |  | 90 |
Senior Unsecured Bond | Total Controlled Affiliates | Tank Partners Equipment Holdings, LLC | Energy: Oil & Gas |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 43 | [7],[9],[11] | 208 | [1],[2],[4] | $ 208 | [1],[2],[4]
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[4] |  |  |  |  |  |  |  | 0 |
Net Change in Unrealized Gain (Loss) | [1],[2],[4] |  |  |  |  |  |  |  | (164) |
Fair Value, Ending Balance | [7],[9],[11] | 43 |  |  | 43 |  |  |  | 43 |
Principal | [7],[9],[11] | 49,000 | [8] |  | 49,000 | [8] |  |  | 511 |
Senior Unsecured Bond | Total Controlled Affiliates | Tank Partners Equipment Holdings, LLC | Energy: Oil & Gas |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Principal | [7],[9],[11] | 511 |  |  | 511 |  |  |  |  |
Junior Secured Loan | Total Controlled Affiliates | ProAir, LLC | Capital Equipment |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [7],[9],[11] |  |  |  | 1,931 |  |  |  |  |
Fair Value, Ending Balance | [7],[9],[11] | 1,931 |  |  | 1,931 |  |  |  |  |
Principal | [7],[9],[11] | 1,931 |  |  | 1,931 |  |  |  |  |
Interest Income | [7],[9],[11] |  |  |  | 181 |  |  |  |  |
Junior Secured Loan | Total Non-controlled Affiliates | Navex Topco, Inc | Electronics |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 7,609 | [7],[9],[12] | 7,488 | [2],[3] | 7,488 | [2],[3]
Net Accretion |  |  |  |  | 63 | [7],[9],[12] |  |  | 84 | [2],[3]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (202) | [7],[9],[12] |  |  | 36 | [2],[3]
Fair Value, Ending Balance | [7],[9],[12] | 7,470 |  |  | 7,470 |  |  |  | 7,609 |
Principal | [9],[12] | 7,700 | [7] |  | 7,700 | [7] |  |  | 7,700 |
Interest Income |  |  |  |  | 470 | [7],[9],[12] |  |  | 555 | [2],[3]
Junior Secured Loan | Total Non-controlled Affiliates | Zest Acquisition Corp Member | Healthcare, Education and Childcare |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 3,480 | [7],[9],[12] | 3,291 | [1],[2],[3] | 3,291 | [1],[2],[3]
Net Accretion |  |  |  |  | 2 | [7],[9],[12] |  |  | 3 | [1],[2],[3]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (91) | [7],[9],[12] |  |  | 185 | [1],[2],[3]
Fair Value, Ending Balance | [7],[9],[12] | 3,391 |  |  | 3,391 |  |  |  | 3,480 |
Principal | [7],[9],[12] | 3,500 |  |  | 3,500 |  |  |  | 3,500 |
Interest Income |  |  |  |  | 223 | [7],[9],[12] |  |  | 294 | [1],[2],[3]
Joint Venture | Total Controlled Affiliates | KCAP Freedom 3 LLC | Joint Ventures |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 23,062 | [7],[11] | 19,749 | [1],[4] | 19,749 | [1],[4]
Purchases/ (sales) of or Advances/ (Distributions) | [1],[4] |  |  |  |  |  |  |  | 2,500 |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (4,872) | [7],[11] |  |  | 813 | [1],[4]
Fair Value, Ending Balance | [7],[11] | 18,190 |  |  | 18,190 |  |  |  | $ 23,062 |
Shares | [1],[4] |  |  |  |  |  |  |  | 27,220 |
Principal | [7],[11] | 27,220 |  |  | 27,220 |  |  |  |  |
Investment Income, Dividend |  |  |  |  | 3,262 | [7],[11] |  |  | $ 5,170 | [1],[4]
Joint Venture | Total Non-controlled Affiliates | BCP Great Lakes Holdings LP | Joint Ventures |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance |  |  |  |  | 37,412 | [12],[13] | $ 29,600 | [3],[14] | 29,600 | [3],[14]
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | 1,700 | [12],[13] |  |  | 6,933 | [3],[14]
Transfers In (Out) of Affiliates | [12],[13] |  |  |  | (38,124) |  |  |  |  |
Net Change in Unrealized Gain (Loss) |  |  |  |  | (461) | [12],[13] |  |  | 879 | [3],[14]
Realized Gain (Loss) | [12],[13] |  |  |  | (527) |  |  |  |  |
Fair Value, Ending Balance | [12],[13] |  |  |  |  |  |  |  | $ 37,412 |
Shares | [3],[14] |  |  |  |  |  |  |  | 36,950 |
Investment Income, Dividend |  |  |  |  | 3,099 | [12],[13] |  |  | $ 4,006 | [3],[14]
Joint Venture | Total Non-controlled Affiliates | Series A-Great Lakes Funding II LLC | Joint Ventures |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[8],[12] |  |  |  | (10,399) |  |  |  |  |
Transfers In (Out) of Affiliates | [1],[8],[12] |  |  |  | 38,124 |  |  |  |  |
Net Change in Unrealized Gain (Loss) | [1],[8],[12] |  |  |  | (774) |  |  |  |  |
Fair Value, Ending Balance | [1],[8],[12] | 26,951 |  |  | 26,951 |  |  |  |  |
Principal | [1],[8],[12] | 27,724,363 |  |  | 27,724,363 |  |  |  |  |
Senior Secured Loan | Total Non-controlled Affiliates | Northeast Metal Works LLC | Metals & Mining |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[9],[12] |  |  |  | 12,280 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | 401 | [7],[9],[12] |  |  | 11,944 | [1],[2],[3]
Net Accretion |  |  |  |  | (10) | [7],[9],[12] |  |  | 2,141 | [1],[2],[3]
Net Change in Unrealized Gain (Loss) |  |  |  |  | 577 | [7],[9],[12] |  |  | (1,805) | [1],[2],[3]
Fair Value, Ending Balance | [7],[9],[12] | 13,248 |  |  | 13,248 |  |  |  | 12,280 |
Principal | [7],[9],[12] | 14,477 |  |  | 14,477 |  |  |  | 14,074 |
Interest Income |  |  |  |  | 1,089 | [7],[9],[12] |  |  | 802 | [1],[2],[3]
Senior Secured Loan | Total Non-controlled Affiliates | Northeast Metal Works LLC | Metals & Mining |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Net Change in Unrealized Gain (Loss) | [7],[8],[9],[12] |  |  |  | 460 |  |  |  |  |
Fair Value, Ending Balance | [7],[8],[9],[12] | 460 |  |  | 460 |  |  |  |  |
Principal | [7],[8],[9],[12] | 2,368 |  |  | 2,368 |  |  |  |  |
Senior Secured Loan | Total Non-controlled Affiliates | Surge Hippodrome Holdings LLC | Services: Business |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[9],[12] |  |  |  | 5,160 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) | [1],[2],[3] |  |  |  |  |  |  |  | 4,809 |
Net Accretion |  |  |  |  | 155 | [7],[9],[12] |  |  | 117 | [1],[2],[3]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (226) | [7],[9],[12] |  |  | 235 | [1],[2],[3]
Fair Value, Ending Balance | [7],[9],[12] | 5,089 |  |  | 5,089 |  |  |  | 5,160 |
Principal | [7],[9] | $ 5,460 | [12] |  | 5,460 | [12] |  |  | 5,460 | [11]
Interest Income |  |  |  |  | 375 | [7],[9],[12] |  |  | 422 | [1],[2],[3]
Senior Secured Loan | Total Non-controlled Affiliates | VTK Acquisition, Inc | Capital Equipment |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[9],[12] |  |  |  | 1,531 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | (1,536) | [7],[9],[12] |  |  | 1,429 | [1],[2],[3]
Net Accretion |  |  |  |  | 33 | [7],[9],[12] |  |  | 75 | [1],[2],[3]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (28) | [7],[9],[12] |  |  | 28 | [1],[2],[3]
Fair Value, Ending Balance | [7],[9],[12] |  |  |  |  |  |  |  | 1,531 |
Principal | [7],[9],[12] |  |  |  |  |  |  |  | 1,536 |
Interest Income |  |  |  |  | 57 | [7],[9],[12] |  |  | 59 | [1],[2],[3]
Senior Secured Loan | Total Non-controlled Affiliates | VTK Acquisition, Inc | Capital Equipment | First Lien Term Loan |  |  |  |  |  |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Beginning Balance | [7],[9],[12] |  |  |  | 2,598 |  |  |  |  |
Purchases/ (sales) of or Advances/ (Distributions) |  |  |  |  | (2,628) | [7],[9],[12] |  |  | 2,259 | [1],[2],[3]
Net Accretion |  |  |  |  | 110 | [7],[9],[12] |  |  | 259 | [1],[2],[3]
Net Change in Unrealized Gain (Loss) |  |  |  |  | (80) | [7],[9],[12] |  |  | 80 | [1],[2],[3]
Fair Value, Ending Balance | [7],[9],[12] |  |  |  |  |  |  |  | 2,598 |
Principal | [2],[3],[7] |  |  |  |  |  |  |  | 2,625 |
Interest Income |  |  |  |  | $ 107 | [7],[9],[12] |  |  | $ 130 | [1],[2],[3]
[1] | Fair value of this investment was determined using significant unobservable inputs.
[2] | Qualified asset for purposes of section 55(a) of the Investment Company Act of 1940.
[3] | Under the 1940 Act, the Company is deemed to be an “Affiliated Person” of, as defined in the 1940 Act, this portfolio company as the Company owns at least 5% of the portfolio company’s outstanding voting securities or is under common control with such portfolio company.
[4] | As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). Other than for purposes of the 1940 Act, the Company does not believe that it has control over this portfolio company.
[5] | Number of shares held.
[6] | As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company.
[7] | Fair value of this investment was determined using significant unobservable inputs.
[8] | Number of shares held.
[9] | Qualified asset for purposes of section 55(a) of the Investment Company Act of 1940.
[10] | As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company.
[11] | As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). Other than for purposes of the 1940 Act, the Company does not believe that it has control over this portfolio company.
[12] | Under the 1940 Act, the Company is deemed to be an “Affiliated Person” of, as defined in the 1940 Act, this portfolio company as the Company owns at least 5% of the portfolio company’s outstanding voting securities or is under common control with such portfolio company.
[13] | Ownership of LP interest held through the holding company BCP Great Lakes Fund, L.P, a non-U.S. company or principal place of business outside the U.S.
[14] | Ownership of LP interest held through the holding company BCP Great Lakes Fund, L.P, a non-U.S. company or principal place of business outside the U.S.

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