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v3.21.1

Related Party Disclosures (Details) | 12 Months Ended
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Dec. 31, 2020
Management Fees |
Monthly management fee | 8.33%
Percent value of net assets of the Trust | 0.40%
Monthly expense including management fee | 8.33%
Threshold percent value of net assets of trust to calculate management fee | 0.65%

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- Definition The monthly expenses including management fee expressed as a fraction used to calculate the monthly management fees. + References No definition available. + Details
Name: | cef_MonthlyExpensesIncludingManagementFee
Namespace Prefix: | cef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The monthly management fee expressed as a fraction used to calculate the monthly management fees. + References No definition available. + Details
Name: | cef_MonthlyManagementFee
Namespace Prefix: | cef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The percentage of the value of net assets of the Trust that serves as a basis for calculating management fees (per the Trust Agreement). + References No definition available. + Details
Name: | cef_PercentValueOfNetAssetsOfTrust
Namespace Prefix: | cef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold percent value of net assets of trust to calculate management fee. + References No definition available. + Details
Name: | cef_ThresholdPercentValueOfNetAssetsOfTrustToCalculateManagementFee
Namespace Prefix: | cef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration