Financial Risk, Management and Objectives (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Disclosure of risk management strategy related to hedge accounting [line items] |
|
|
| Liabilities |
$ 186
|
$ 425
|
| Concentration Risk |
|
|
| Disclosure of risk management strategy related to hedge accounting [line items] |
|
|
| Percentage of physical gold bullion that constitutes total equity |
99.90%
|
99.80%
|
| Liquidity Risk |
|
|
| Disclosure of risk management strategy related to hedge accounting [line items] |
|
|
| Number of days for advance notice required |
15 days
|
|
| Canada | Currency Risk |
|
|
| Disclosure of risk management strategy related to hedge accounting [line items] |
|
|
| Liabilities |
$ 91
|
$ 317
|
| Scenario Member | Other Price Risk |
|
|
| Disclosure of risk management strategy related to hedge accounting [line items] |
|
|
| Percentage increase in market value of gold |
1.00%
|
|
| Percentage decrease in market value of gold |
1.00%
|
|
| Increase (decrease) in equity |
$ 48,900
|
$ 24,600
|
| Scenario Member | Canada |
|
|
| Disclosure of risk management strategy related to hedge accounting [line items] |
|
|
| Percent change in the exchange rate between the Canadian and U.S. Dollars |
1.00%
|
|