Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Supplemental Cash Flow Information [Abstract]
Non-cash lease obligations arising from obtaining operating lease assets	$ 3,045	$ 21,230	$ 718
Finance lease obligations	1,127	54,330	32,978
Capital expenditures, not yet paid	30,689	26,515	44,966
Debt for equity exchange	0	5,867	76,018
Interest paid	31,763	49,806	41,249
Income and mining taxes paid	$ 178,466	$ 45,100	$ 35,000