Investments at Fair Value - Summary of Geographic Composition of Investments at Fair Value (Details)		Jun. 30, 2025	Dec. 31, 2024
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		100.00%	100.00%
United States - Midwest
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		18.50%	18.00%
United States - Northeast
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		14.40%	17.30%
United States - South
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		15.70%	14.20%
United States - West
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		22.50%	26.80%
Canada
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	[1]	0.00%	2.30%
Finland
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	[2]	0.00%	0.00%
France
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		4.00%	1.80%
Germany
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		0.70%	0.60%
Italy
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		2.40%	2.40%
Netherlands
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		0.10%	0.20%
Norway
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		7.80%	5.50%
Sweden
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		0.30%	0.10%
United Kingdom
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		13.60%	10.80%

[1] Value rounds to less than 0.1%

[2] Value rounds to less than 0.1%