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Commitments and Contingencies - Summary of Outstanding Commitments to Fund Investments in Current Portfolio Companies (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | $ 34,959 | $ 47,899
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 |  | 2,800
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 |  | 5,000
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. | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 1,000
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 |  | 325
Analogic Corporation | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 23 | 87
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 | 583
Appfire Technologies, LLC | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 4,459
BCP Great Lakes Holdings LP | Joint Venture |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 13,050
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 |
Bradshaw International Parent Corp. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 722
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 | 195
Centric Brands Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 755
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 | 58 |
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 |  | 2,000
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 |
Dentive, LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 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 |
Datalink, 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 |  | 525
Global Integrated Flooring Systems Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 43
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 |
Grupo HIMA San Pablo, Inc. | Delayed Draw Term Loan |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 104
H.W. Lochner, Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 1,799 | 2,199
Keg Logistics LLC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 436 | 872
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 | 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 | 585
Naviga Inc. | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 77 | 302
Netwrix Corporation | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value | 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 | 1,017 |
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 |  | 1,937
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 |
Ritedose Holdings I, INC | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 537
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 | 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 |  | 3,743
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 | Revolver |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Portfolio Company Commitments, Par Value |  | 308
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 |

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