Income and Mining Taxes - Income and Mining Tax (Expense) Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Examination [Line Items]
Income and mining tax (expense) benefit	$ (14,658)	$ (34,958)	$ (37,045)
Current Other Tax Expense (Benefit)	0	0	33
Deferred Other Tax Expense (Benefit)	0	0	0
United States
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(21)	25	226
Deferred Federal Income Tax Expense (Benefit)	215	(651)	(49)
United States — State mining taxes
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(2,936)	(5,691)	(8,384)
Deferred Federal Income Tax Expense (Benefit)	5,558	1,037	(354)
United States — Foreign withholding tax
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(300)	(862)	(800)
Canada
Income Tax Examination [Line Items]
Current Foreign Tax Expense (Benefit)	(305)	0	232
Deferred Foreign Income Tax Expense (Benefit)	254	1,224	0
Mexico
Income Tax Examination [Line Items]
Current Foreign Tax Expense (Benefit)	(29,546)	(31,175)	(36,066)
Deferred Foreign Income Tax Expense (Benefit)	$ 12,423	$ 1,135	$ 8,117