Investments - Investments at Fair Value Percent (Details) - Investment Owned, At Fair Value - Investment Type Concentration Risk	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2025	Sep. 30, 2025	Dec. 31, 2024
Schedule of Investments [Line Items]
Concentration Risk, Percentage	100.00%	100.00%	100.00%
Aerospace & Defense
Schedule of Investments [Line Items]
Concentration Risk, Percentage	4.40%	4.30%
Air Freight & Logistics
Schedule of Investments [Line Items]
Concentration Risk, Percentage	3.00%	2.00%
Auto Components
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.00%	0.00%
Biotechnology
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.00%	0.20%
Building Products
Schedule of Investments [Line Items]
Concentration Risk, Percentage	2.40%	2.20%
Chemicals
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.30%	0.30%
Commercial Services & Supplies
Schedule of Investments [Line Items]
Concentration Risk, Percentage	7.70%	8.00%
Construction & Engineering
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.80%	0.90%
Consumer Staples Distribution And Retail
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.00%	0.00%
Containers & Packaging
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.20%	0.10%
Distributors
Schedule of Investments [Line Items]
Concentration Risk, Percentage	3.10%	2.90%
Diversified Consumer Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	4.60%	4.60%
Diversified Telecommunication Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	1.00%	0.10%
Electric Utilities
Schedule of Investments [Line Items]
Concentration Risk, Percentage	1.10%	1.30%
Electrical Equipment
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.80%	1.00%
Electronic Equipment, Instruments & Components
Schedule of Investments [Line Items]
Concentration Risk, Percentage	1.90%	2.20%
Energy Equipment & Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.20%	0.10%
Financial Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.30%	0.50%
Ground Transportation
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.20%	0.10%
Health Care Equipment & Supplies
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.70%	0.40%
Health Care Providers & Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	9.20%	9.60%
Health Care Technology
Schedule of Investments [Line Items]
Concentration Risk, Percentage	5.00%	5.40%
Insurance
Schedule of Investments [Line Items]
Concentration Risk, Percentage	7.40%	8.10%
Interactive Media & Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.50%	0.40%
Internet & Direct Marketing Retail
Schedule of Investments [Line Items]
Concentration Risk, Percentage	2.40%	0.00%
IT Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	4.40%	5.20%
Life Sciences Tools & Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.60%	0.90%
Machinery
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.20%	0.20%
Marine
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.40%	0.50%
Media
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.40%	0.50%
Oil, Gas & Consumable Fuels
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.60%	0.60%
Paper & Forest Products
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.10%	0.10%
Pharmaceuticals
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.20%	0.40%
Professional Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	8.40%	9.50%
Real Estate Management & Development
Schedule of Investments [Line Items]
Concentration Risk, Percentage	1.10%	1.40%
Software
Schedule of Investments [Line Items]
Concentration Risk, Percentage	20.10%	20.20%
Specialty Retail
Schedule of Investments [Line Items]
Concentration Risk, Percentage	1.30%	1.30%
Technology Hardware, Storage & Peripherals
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.60%	0.60%
Trading Companies & Distributors
Schedule of Investments [Line Items]
Concentration Risk, Percentage	1.00%	0.90%
Transportation Infrastructure
Schedule of Investments [Line Items]
Concentration Risk, Percentage	3.40%	2.80%
Wireless Telecommunication Services
Schedule of Investments [Line Items]
Concentration Risk, Percentage	0.00%	0.20%