Service Providers and Related Party Agreements - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Management fee percentage per annum of daily NAV	0.75%
Managing owner waived fees	$ 3,230	$ 13,561	$ 4,325
Managing Owner
Related Party Transaction [Line Items]
Fee waiver termination notice period	60 days’