Reclamation (Tables)

9 Months Ended

Sep. 30, 2022

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

Changes to the Company’s asset retirement obligations are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
In thousands	2022		2021		2022		2021
Asset retirement obligation - Beginning	$	184,606	$	143,229	$	180,156	$	139,274
Accretion	3,564		3,027		10,482		8,898
Settlements	(1,507)		(1,501)		(3,975)		(3,417)
Asset retirement obligation - Ending	$	186,663	$	144,755	$	186,663	$	144,755