Investment Valuations and Fair Value Measurements - Summary of Major Security Type of Fair Valuations (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	$ 147,476	$ 47,564
Debt
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	82,691	10,150
Short-term Investments
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	58,927	24,563
Cash Equivalents
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	5,858	12,851
Fair Value, Inputs, Level 1 [Member]
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	64,785	37,414
Fair Value, Inputs, Level 1 [Member] | Debt
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	0	0
Fair Value, Inputs, Level 1 [Member] | Short-term Investments
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	58,927	24,563
Fair Value, Inputs, Level 1 [Member] | Cash Equivalents
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	5,858	12,851
Fair Value, Inputs, Level 2 [Member]
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	0	0
Fair Value, Inputs, Level 2 [Member] | Debt
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	0	0
Fair Value, Inputs, Level 2 [Member] | Short-term Investments
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	0	0
Fair Value, Inputs, Level 2 [Member] | Cash Equivalents
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	0	0
Fair Value, Inputs, Level 3 [Member]
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	82,691	10,150
Fair Value, Inputs, Level 3 [Member] | Debt
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	82,691	10,150
Fair Value, Inputs, Level 3 [Member] | Short-term Investments
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	0	0
Fair Value, Inputs, Level 3 [Member] | Cash Equivalents
Investment Valuations And Fair Value Measurements [Line Items]
Investments Fair Value , Total	$ 0	$ 0