Share Purchases and Redemptions - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2022 CreationUnit shares
Equity [Abstract]
Minimum number of Creation Units that can be purchased | CreationUnit	1
Number of shares issued per Creation Unit | shares	100,000
Number of shares that can be redeemed per Creation Unit | shares	100,000
Minimum number of Creation Units that can be redeemed | CreationUnit	1