Additional Comprehensive Income (Loss) Detail - Summary of Pre-development, reclamation and other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Income and Expenses [Abstract]
Covid-19 Related Costs	$ 1,739	$ 6,618	$ 15,555
Care and maintenance costs	20,963	24,928	16,384
Temporary Suspension Costs	0	0	7,164
Gain (Loss) on Termination of Lease	0	0	(4,051)
Accretion	14,232	11,988	11,754
Other Operating Income (Expense), Net	4,353	5,144	8,848
Pre-development, reclamation, and other	$ 41,287	$ 48,678	$ 55,654