Investments - Investment at Fair Value Percentage (Details) - Investments At Fair Value - Investment Type Concentration Risk	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	100.00%	100.00%
Aerospace & Defense
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	1.31%	1.25%
Air Freight & Logistics
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	2.74%	2.80%
Airlines
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.07%	0.07%
Auto Components
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.06%	0.11%
Beverages
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.09%	0.13%
Biotechnology
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.00%	0.00%
Building Products
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	2.19%	2.37%
Capital Markets
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.22%	0.22%
Chemicals
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.20%	0.38%
Commercial Services & Supplies
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	4.07%	3.68%
Construction Materials
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.04%	0.07%
Construction & Engineering
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.78%	0.67%
Containers & Packaging
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.28%	0.46%
Distributors
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.69%	0.67%
Diversified Consumer Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	3.02%	2.95%
Diversified Financial Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	2.29%	2.17%
Diversified Telecommunication Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.58%	0.53%
Electrical Equipment
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.51%	0.89%
Electronic Equipment, Instruments & Components
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	1.02%	1.28%
Electric Utilities
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.14%	0.10%
Energy Equipment & Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.07%	0.09%
Entertainment
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.03%	0.04%
Food Products
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.05%	0.05%
Ground Transportation
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.01%	0.00%
Health Care Equipment & Supplies
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	1.63%	1.52%
Health Care Providers & Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	11.88%	11.68%
Health Care Technology
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	3.20%	3.21%
Hotels, Restaurants & Leisure
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.32%	0.55%
Household Durables
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.07%	0.23%
Industrial Conglomerates
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.86%	0.95%
Insurance
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	4.85%	4.67%
Interactive Media & Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.03%	0.16%
Internet & Direct Marketing Retail
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	2.14%	2.22%
Investments in joint ventures
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	4.44%	4.47%
IT Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	4.76%	4.54%
Leisure Products
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.01%	0.17%
Life Sciences Tools & Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.53%	0.37%
Machinery
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.06%	0.08%
Marine
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.47%	0.46%
Media
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.51%	0.61%
Metals & Mining
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.05%	0.13%
Oil, Gas & Consumable Fuels
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.16%	0.20%
Paper & Forest Products
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.15%	0.13%
Pharmaceuticals
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.69%	0.67%
Professional Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	11.99%	12.50%
Real Estate Management & Development
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.25%	0.22%
Road & Rail
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.00%	0.00%
Software
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	26.71%	25.59%
Specialty Retail
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.29%	0.30%
Technology Hardware, Storage & Peripherals
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.09%	0.09%
Textiles, Apparel & Luxury Goods
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.00%	0.06%
Trading Companies & Distributors
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.64%	0.75%
Transportation Infrastructure
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	2.71%	2.44%
Wireless Telecommunication Services
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.05%	0.05%