Income and Mining Taxes - Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Examination [Line Items]
Income (loss) before income and mining taxes	$ 74,556	$ (15,012)	$ 70,078	$ (51,436)
Tax (expense) benefit	25,817	6,097	49,030	26,671
United States
Income Tax Examination [Line Items]
United States, Income (loss) before tax	41,389	(22,674)	7,498	(83,994)
Tax (expense) benefit	(4,463)	(1,565)	(6,605)	(4,847)
Canada
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	12,186	9,345	30,720	23,049
Tax (expense) benefit	(394)	0	(766)	0
Mexico
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	(45,499)	(17,111)	(93,651)	(56,045)
Tax (expense) benefit	(20,960)	(4,532)	(41,659)	(21,824)
Other jurisdictions
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	146	104	351	438
Tax (expense) benefit	$ 0	$ 0	$ 0	$ 0