Additional Comprehensive Income (Loss) Detail - Summary of Pre-development, reclamation and other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Other Income and Expenses [Abstract]
Care and maintenance costs	$ 8,513		$ 15,616		$ 20,963
(Gain) loss on sale of assets	4,250		12,879		(640)
Accretion	16,778		16,405		14,232
Royalty settlement	7,156	[1]	0	[1]	0
Business Combination, Acquisition Related Costs	8,517		0		0
Other Operating Income (Expense), Net	6,059		9,736		6,092
Pre-development, reclamation, and other	$ 51,273		$ 54,636		$ 40,647

[1] See Note 17 -- Commitments and Contingencies for additional details on the Kensington royalty settlement