Income and Mining Taxes - Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Tax Examination [Line Items]
Income (loss) before income and mining taxes	$ 169,943	$ 74,556	$ 355,030	$ 70,078
Tax (expense) benefit	(96,881)	25,817	(15,873)	49,030
United States
Income Tax Examination [Line Items]
United States, Income (loss) before tax	107,862	41,389	210,325	7,498
Tax (expense) benefit	135,736	(4,463)	115,202	(6,605)
Canada
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	14,230	12,186	39,281	30,720
Tax (expense) benefit	(313)	(394)	(1,124)	(766)
Mexico
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	(76,517)	(45,499)	(184,486)	(93,651)
Tax (expense) benefit	(38,542)	(20,960)	(98,205)	(41,659)
Other jurisdictions
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	206	146	500	351
Tax (expense) benefit	$ 0	$ 0	$ 0	$ 0