Income and Mining Taxes - Income and Mining Tax (Expense) Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Examination [Line Items]
Income and mining tax (expense) benefit	$ (67,450)	$ (35,156)	$ (14,658)
Current Other Tax Expense (Benefit)	0	0	0
Deferred Other Tax Expense (Benefit)	0	0	0
United States
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(145)	981	(21)
Deferred Federal Income Tax Expense (Benefit)	149	305	215
United States — State mining taxes
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(11,256)	(7,047)	(2,936)
Deferred Federal Income Tax Expense (Benefit)	(1,778)	(1,076)	5,558
United States — Foreign withholding tax
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(33)	(119)	(300)
Canada
Income Tax Examination [Line Items]
Current Foreign Tax Expense (Benefit)	(1,147)	(848)	(305)
Deferred Foreign Income Tax Expense (Benefit)	(376)	0	254
Mexico
Income Tax Examination [Line Items]
Current Foreign Tax Expense (Benefit)	(63,604)	(30,222)	(29,546)
Deferred Foreign Income Tax Expense (Benefit)	$ 10,740	$ 2,870	$ 12,423