Income and Mining Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Operating loss carryforwards, domestic	$ 614,900,000
Operating loss carryforwards, state and local	471,400,000
Operating loss carryforwards subject to expiration	$ 313,800,000
Expiration term	20 years
Operating loss carryforwards not subject to expiration	$ 301,100,000
Unrecognized tax benefits	0	$ 2,000	$ 4,000
Income-tax related interest and penalties	0	0	0
Tax (expense) benefit	$ 67,450,000	$ 35,156,000	$ 14,658,000