Fair Value Measurements (Details)		12 Months Ended
Jan. 16, 2018 USD ($) oz shares	Dec. 31, 2018 USD ($)
Reconciliation of changes in fair value measurement, assets [abstract]
Realized losses on sales and redemptions for physical bullion		$ 39,637,898
Change in unrealized gains (losses)		195,868,677
Balance at end of year		991,819,401
CFCL
Acquisition
Units Issued During Period Units Acquisitions \| shares	252,156,003
Ounces of gold transferred \| oz	1,663,144
Ounces of silver transferred \| oz	75,224,102
Cash transferred	$ 7,232,002
Other assets transferred	273,002
Accrued liabilities	$ 807,573
Recurring fair value measurement
Reconciliation of changes in fair value measurement, assets [abstract]
Balance at beginning of year		0
Physical bullion acquired from CFCL		3,530,623,701
Purchases		0
Sales		(14,362,530)
Redemptions for physical bullion		(472,701,839)
Realized losses on sales and redemptions for physical bullion		(39,637,898)
Change in unrealized gains (losses)		(195,868,677)
Balance at end of year		$ 2,808,052,757

The amount recognised as of the acquisition date for accrued liabilities assumed in a business combination.

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- Definition

The increase in the fair value measurement of bullion holdings resulting from acquisition of physical bullion.

+ References

No definition available.

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- Definition

The amount of current silver bullion assets.

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No definition available.

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Represents the net realized gains (losses) on redemptions/sales of bullion.

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No definition available.

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At acquisition date, ounces of gold transferred as consideration in a business combination.

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No definition available.

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At acquisition date, ounces of silver transferred as consideration in a business combination.

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No definition available.

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The decrease in the fair value measurement of bullion holdings resulting from redemptions for physical bullion.

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No definition available.

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The number of units issued pursuant to acquisitions during the period.

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No definition available.

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The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The gains (losses) recognised in profit or loss for assets measured at fair value that are attributable to the change in unrealised gains or losses relating to those assets held at the end of the reporting period. [Refer: At fair value [member]]

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The fair value, at acquisition date, of other tangible or intangible assets (including a business or subsidiary of the acquirer) transferred as consideration in a business combination, that the entity does not separately disclose in the same note. [Refer: Intangible assets other than goodwill; Business combinations [member]; Subsidiaries [member]]

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The increase in the fair value measurement of assets resulting from purchases of those assets. [Refer: At fair value [member]]

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The decrease in the fair value measurement of assets resulting from sales. [Refer: At fair value [member]]

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