Investments at Fair Value - Summary of Geographic Composition of Investments at Fair Value (Details)		Mar. 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		18.60%	18.00%
United States - Northeast
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		15.10%	17.30%
United States - South
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		16.20%	14.20%
United States - West
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		25.20%	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	[2]	0.00%	0.00%
France
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		3.80%	1.80%
Germany
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		0.60%	0.60%
Italy
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		2.30%	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		5.60%	5.50%
Sweden
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		0.20%	0.10%
United Kingdom
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage		12.20%	10.80%

[1] Value rounds to less than 0.1%

[2] Value rounds to less than 0.1%