Income and Mining Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income and mining tax (expense) benefit at statutory rate	$ (28,465)	$ 14,376	$ 13,249
State tax provision from continuing operations	(149)	4,859	2,871
Change in valuation allowance	727	(36,778)	(36,670)
Percentage depletion	6,974	5,649	3,538
Uncertain tax positions	2	6	655
U.S. and foreign permanent differences	(7,765)	(3,056)	365
Foreign exchange rates	2,405	1,179	(145)
Foreign inflation and indexing	2,322	3,077	2,897
Foreign tax rate differences	(8,923)	(3,911)	(4,994)
Mining, foreign withholding, and other taxes	(8,307)	(1,381)	169
Effective Income Tax Rate Reconciliation, Mining Taxes	26,901	16,884	11,239
Sale of non-core assets	0	(1,322)	15,447
Enactment of 1% increase in Mexico special mining duty tax	1,696	0	0
Other, net	2,326	(970)	(801)
Income and mining tax benefit (expense)	$ 67,450	$ 35,156	$ 14,658