Additional Comprehensive Income (Loss) Detail - Summary of Pre-development, reclamation and other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Covid-19 Related Costs	$ 111	$ 1,739	$ 6,618
Care and maintenance costs	15,616	20,963	24,928
(Gain) loss on sale of assets	12,879	(640)	(4,111)
Accretion	16,405	14,232	11,988
Other Operating Income (Expense), Net	9,625	4,353	5,144
Pre-development, reclamation, and other	$ 54,636	$ 40,647	$ 44,567