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Investments - Summary of Fair Value of Investments by Fair Value Hierarchy Levels (Details) - ASC 820 - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | $ 428,978 | $ 467,865
Level II |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 38,470 | 65,325
Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 351,232 | 357,528
NAV |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 39,276 | 45,012
First Lien Debt |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 316,444 | 336,598
First Lien Debt | Level II |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 29,900 | 47,303
First Lien Debt | Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 286,544 | 289,295
Second Lien Debt |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 28,885 | 41,254
Second Lien Debt | Level II |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 8,570 | 18,022
Second Lien Debt | Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 20,315 | 23,232
Subordinated Debt |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 1,696 | 1,225
Subordinated Debt | Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 1,696 | 1,225
Equity |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 22,879 | 20,533
Equity | Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 22,879 | 20,533
Collateral Loan Obligations |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 6,786 | 8,968
Collateral Loan Obligations | Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 6,786 | 8,968
Joint Ventures |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 52,288 | 59,287
Joint Ventures | Level III |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 13,012 | 14,275
Joint Ventures | NAV |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | $ 39,276 | $ 45,012

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