Investments at Fair Value - Summary of Geographic Composition of Investments at Fair Value (Details)		Dec. 31, 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		21.00%	18.00%
United States - Northeast
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		10.50%	17.30%
United States - South
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		19.10%	14.20%
United States - West
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		24.20%	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	[1]	0.00%	0.00%
France
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		4.50%	1.80%
Germany
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		1.30%	0.60%
Italy
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		2.80%	2.40%
Netherlands
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		0.20%	0.20%
Norway
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		7.20%	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		8.90%	10.80%

[1] Value rounds to less than 0.1%