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Significant Accounting Policies - Schedule of changes in shares (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Schedule Of Changes In Shares [Abstract]        
Beginning Share Balance 26,050,000 34,600,000 24,300,000 23,450,000
Creations 8,680,000 7,050,000 18,290,000 21,750,000
Redemptions (1,540,000) (8,550,000) (9,400,000) (12,100,000)
Ending Share Balance 33,190,000 33,100,000 33,190,000 33,100,000