Investment - Schedule of Geographic Composition of Portfolio at Fair Value (Details) - Investments, at Fair Value - Geographic Concentration Risk	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	100.00%	100.00%
United States
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	85.40%	88.30%
United Kingdom
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	7.20%	6.60%
Germany
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	3.70%	3.90%
Canada
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	1.10%	1.20%
Switzerland
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	1.00%	0.00%
Slovenia
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	0.90%	0.00%
Australia
Schedule Of Investments [Line Items]
Percentage of aggregate fair value of investments	0.70%	0.00%