Statements of Financial Condition (Parenthetical) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Investment owned, at cost	$ 363,672,812	$ 365,043,367
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized, Unlimited	Unlimited	Unlimited