| Name | CostOfTrustAssetsSoldToPayExpenses |
|---|---|
| Namespace | http://fasb.org/us-gaap/2022 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Cost, Trust Asset Sold to Pay Expense | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cost of trust assets sold to pay trust expenses (includes commodities, but is not limited to, gold and silver). | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2012 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative | |
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable | |
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:GainLossOnSaleOfTrustAssetsToPayExpenses | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncomeDiscontinuedOperationsAlternate | |
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable | |
us-gaap:GainLossOnSaleOfTrustAssetsToPayExpensesAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/MiscellaneousIndustries |