Investments at Fair Value - Schedule of Geographic Composition of Investments at Fair Value (Details) - Investment Owned At Fair Value - Geographic Concentration Risk	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	100.00%	100.00%
Midwest
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	20.50%	21.40%
Northeast
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	9.30%	12.00%
South
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	35.80%	35.80%
West
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	31.00%	27.00%
Puerto Rico
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	1.10%	1.20%
Canada
Debt Securities, Available-for-Sale [Line Items]
Concentration risk, percentage	2.30%	2.60%