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Statements of Changes in Net Assets (Parenthetical) - shares	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Creations, shares	2,650,000	1,000,000
Redemptions, shares	(150,000)	(450,000)

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- Definition

Number of new stock issued during the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Number of stock bought back by the entity at the exercise price or redemption price.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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