Investments and Fair Value Measurements, Investment Based on Fair Value by Industry (Details)	Mar. 31, 2023
Investments [Abstract]
Percentage of total investments at fair value	100.00%
Services: Business [Member]
Investments [Abstract]
Percentage of total investments at fair value	13.38%
High Tech Industries [Member]
Investments [Abstract]
Percentage of total investments at fair value	10.77%
Banking, Finance, Insurance & Real Estate [Member]
Investments [Abstract]
Percentage of total investments at fair value	10.56%
Capital Equipment [Member]
Investments [Abstract]
Percentage of total investments at fair value	7.14%
Automotive [Member]
Investments [Abstract]
Percentage of total investments at fair value	6.10%
Media: Broadcasting & Subscription [Member]
Investments [Abstract]
Percentage of total investments at fair value	5.56%
Aerospace and Defense [Member]
Investments [Abstract]
Percentage of total investments at fair value	5.21%
Healthcare & Pharmaceuticals [Member]
Investments [Abstract]
Percentage of total investments at fair value	5.08%
Media: Advertising, Printing & Publishing [Member]
Investments [Abstract]
Percentage of total investments at fair value	5.08%
Containers, Packaging & Glass [Member]
Investments [Abstract]
Percentage of total investments at fair value	4.69%
Consumer Goods: Non-Durable [Member]
Investments [Abstract]
Percentage of total investments at fair value	4.30%
Services: Consumer [Member]
Investments [Abstract]
Percentage of total investments at fair value	3.39%
Transportation: Cargo [Member]
Investments [Abstract]
Percentage of total investments at fair value	3.00%
Utilities: Electric [Member]
Investments [Abstract]
Percentage of total investments at fair value	2.98%
Retail [Member]
Investments [Abstract]
Percentage of total investments at fair value	2.94%
Chemicals, Plastics & Rubber [Member]
Investments [Abstract]
Percentage of total investments at fair value	2.09%
Beverage, Food and Tobacco [Member]
Investments [Abstract]
Percentage of total investments at fair value	1.05%
Hotel, Gaming & Leisure [Member]
Investments [Abstract]
Percentage of total investments at fair value	1.04%
Energy: Electricity [Member]
Investments [Abstract]
Percentage of total investments at fair value	1.03%
Construction & Building [Member]
Investments [Abstract]
Percentage of total investments at fair value	1.02%
Metals & Mining [Member]
Investments [Abstract]
Percentage of total investments at fair value	1.00%
Consumer Goods: Durable [Member]
Investments [Abstract]
Percentage of total investments at fair value	0.99%
Environmental Industries [Member]
Investments [Abstract]
Percentage of total investments at fair value	0.97%
Transportation: Consumer [Member]
Investments [Abstract]
Percentage of total investments at fair value	0.63%