Investment Valuations and Fair Value Measurements - Summary of Valuation Techniques and Quantitative Information (Details) - Debt - Fair Value, Inputs, Level 3 [Member] $ in Thousands	Mar. 31, 2024 USD ($)		Dec. 31, 2023 USD ($)
Income Method | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment, Fair Value	$ 119,381		$ 118,178
Income Method | Discount Rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.107		0.103
Income Method | Discount Rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.175		0.163
Income Method | Discount Rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.13	[1]	0.127	[2]
Market Method | Indicative Bid
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment, Fair Value	$ 12,857
Market Method | Indicative Bid | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.96
Market Method | Indicative Bid | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	1

[1] Weighted based on fair value

[2] Weighted based on fair value