Investment Valuations and Fair Value Measurements - Summary of Valuation Techniques and Quantitative Information (Details) - Fair Value, Inputs, Level 3 [Member] $ in Thousands		Jun. 30, 2024 USD ($)		Dec. 31, 2023 USD ($)
Debt | Income Method | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment, Fair Value		$ 135,276		$ 118,178
Debt | Income Method | Discount Rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.084		0.103
Debt | Income Method | Discount Rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.193		0.163
Debt | Income Method | Discount Rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.128	[1]	0.127	[2]
Debt | Market Method | EBITDA Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment, Fair Value		$ 5,600
Debt | Market Method | EBITDA Multiple | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.058
Debt | Market Method | EBITDA Multiple | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.068
Debt | Income Method | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment, Fair Value		$ 11,871
Debt | Income Method | Discount Rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.111
Debt | Income Method | Discount Rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.142
Debt | Income Method | Discount Rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	[1]	0.131
Debt | Income Method | Take Out Indication | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		1.015
Debt | Income Method | Take Out Indication | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		1.034
Equity | Market Method | EBITDA Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment, Fair Value		$ 215
Equity | Market Method | EBITDA Multiple | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.058
Equity | Market Method | EBITDA Multiple | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range		0.068

[1] Weighted based on fair value

[2] Weighted based on fair value