Investments - Schedule of Geographic Composition of Investments at Fair Value (Details) - Investments at Fair Value - Geographic Concentration Risk	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Investments [Line Items]
Composition of investments, percentage	100.00%	100.00%
United States
Schedule Of Investments [Line Items]
Composition of investments, percentage	95.10%	95.10%
Canada
Schedule Of Investments [Line Items]
Composition of investments, percentage	3.60%	3.60%
United Kingdom
Schedule Of Investments [Line Items]
Composition of investments, percentage	1.30%	1.20%
Germany
Schedule Of Investments [Line Items]
Composition of investments, percentage		0.10%