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Income Taxes (Schedule of Unrecognized Deductible Temporary Difference and Unused Tax Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [line items]
Non capital losses	$ 136,072	$ 90,192
Provision	11,657	14,488
Share issue costs	1,711	3,894
Mineral properties, plant and equipment	12,705
Lease obligation	863	555
Derivative liabilities		1,111
Capital losses	4,204	255
Investments in subsidiaries	901	1,534
Unrecognized deductible temporary differences	168,114	112,029
MEXICO
Income Taxes [line items]
Non capital losses	378	367
Investments in subsidiaries	204,283	248,880
PERU
Income Taxes [line items]
Investments in subsidiaries	59,976	$ 62,414
WEST AFRICA
Income Taxes [line items]
Investments in subsidiaries	$ 114,559

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Unrecognized tax benefits related to mineral property, plant and equipment.

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Unrecognized tax losses deductible temporary differences and tax credits.

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The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Associates [member]; Subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries reported in separate financial statements]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
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The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]]

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The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]]

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