Reclamation (Tables)

12 Months Ended

Dec. 31, 2023

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

	Year Ended December 31,
In thousands	2023		2022
Asset retirement obligation - Beginning	$	202,431	$	181,888
Accretion	16,405		14,232
Additions and changes to estimates	991		13,001
Disposition of Sterling/Crown exploration properties	—		(1,840)
Settlements	(5,814)		(4,850)
Asset retirement obligation - Ending (1)	$	214,013	$	202,431

(1) December 31, 2023 includes $11.0 million of asset retirement obligation that is expected to be paid in the next twelve months.