Income and Mining Taxes - Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Tax Examination [Line Items]
Income (loss) before income and mining taxes	$ 215,091	$ 133,321	$ 563,806	$ 185,087
Tax (expense) benefit	93,238	62,595	195,192	81,008
United States
Income Tax Examination [Line Items]
United States, Income (loss) before tax	122,619	82,138	261,792	102,463
Tax (expense) benefit	(40,034)	(15,229)	(70,676)	(20,534)
Canada
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	101,258	15,099	142,825	25,051
Tax (expense) benefit	29,955	(693)	38,336	(811)
Mexico
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	(193,907)	(66,879)	(445,267)	(107,969)
Tax (expense) benefit	(83,159)	(46,673)	(162,852)	(59,663)
Other jurisdictions
Income Tax Examination [Line Items]
Foreign, Income (loss) before tax	177	597	428	294
Tax (expense) benefit	$ 0	$ 0	$ 0	$ 0