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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
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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