Income and Mining Taxes - Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Income Tax Examination [Line Items]
Total	$ (15,839)	$ (33,552)
Tax (expense) benefit	(3,939)	(8,658)
United States
Income Tax Examination [Line Items]
United States, Income (loss) before tax	(11,005)	(6,047)
Tax (expense) benefit	(736)	(2,162)
Canada
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	(26,029)	(26,525)
Tax (expense) benefit	15	9,792
Mexico
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	21,359	(772)
Tax (expense) benefit	4,631	1,024
Other jurisdictions
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	(164)	(208)
Tax (expense) benefit	$ 29	$ 4

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
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