Reclamation (Tables)

6 Months Ended

Jun. 30, 2022

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

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

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2022		2021		2022		2021
Asset retirement obligation - Beginning	$	184,322	$	141,412	$	181,888	$	139,274
Accretion	3,529		2,962		6,992		5,870
Settlements	(1,449)		(1,145)		(2,478)		(1,915)
Asset retirement obligation - Ending	$	186,402	$	143,229	$	186,402	$	143,229