Reclamation (Tables)

3 Months Ended

Mar. 31, 2023

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

	Three Months Ended March 31,
In thousands	2023		2022
Asset retirement obligation - Beginning	$	202,431	$	180,156
Accretion	3,993		3,463
Settlements	(1,044)		(1,056)
Asset retirement obligation - Ending	$	205,380	$	182,563