Investments at Fair Value - Summary of Industry Composition of Investments at Fair Value (Details)	Jun. 30, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	100.00%	100.00%
Automotive
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	0.60%
Business Services
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	15.00%	0.80%
Chemicals
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	1.20%	2.40%
Communications
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	2.20%
Financial Services
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	15.70%	32.40%
Healthcare
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	6.40%
Human Resource Support Services
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	14.50%	18.00%
Insurance
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	3.20%
Internet Services
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	14.40%	0.70%
Manufacturing
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	7.60%	16.30%
Oil, Gas and Consumable Fuels
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	5.50%
Retail and Consumer Products
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	13.70%	29.40%