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Commitments and Contingencies - Summary of Outstanding Commitments to Fund Investments in Current Portfolio Companies (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | $ 23,687 | $ 34,959
Accordion Partners LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 698
Accordion Partners LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 872
Accordion Partners LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 1,531
Accordion Partners LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,531 |
AMCP Pet Holdings, Inc. | Revolving Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 625 |
Analogic Corporation | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 23
Anthem Sports & Entertainment Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 83 | 83
Beta Plus Technologies, Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 2,415
BetaNXT, Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 2,415 |
Bradshaw International Parent Corp. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 922
Bradshaw International Parent Corp. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 922 |
Bristol Hospice | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 55
Centric Brands Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 428
Centric Brands Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 214 | 58
Centric Brands Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 97 |
Critical Nurse Staffing, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 3,094
Critical Nurse Staffing, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 3,094 |
Critical Nurse Staffing, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 1,400
Critical Nurse Staffing, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 2,000 |
Dentive, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 234 | 234
Dentive, LLC | Delayed Draw Term Loan - First Lien |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 748
Dentive, LLC | Delayed Draw Term Loan - First Lien |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 562 |
GreenPark Infrastructure, LLC | Preferred Equity |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,829 | 1,829
H.W. Lochner, Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 199 | 1,799
IDC Infusion Services | Delayed Draw Term Loan - First Lien |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,065 |
Keg Logistics LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 436
Luminii LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 172 | 172
Marble Point Credit Management LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 2,500
Maxor National Pharmacy Services, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 585
Naviga Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 219 | 77
Netwrix Corporation | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 861 | 1,148
Netwrix Corporation | Delayed Draw Term Loan - First Lien |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 962 | 1,017
PhyNet Dermatology LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 690 |
Premier Imaging, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 1,378
Series A-Great Lakes Funding II LLC | Joint Venture |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,376 | 8,038
TA/WEG Holdings, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 2,634
TA/WEG Holdings, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,462 |
TA/WEG Holdings, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 784
TA/WEG Holdings, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 784 |
TLE Holdings, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | $ 2
TLE Holdings, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 2 |
VBC Spine Opco LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,902 |
VBC Spine Opco LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | $ 387 |

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