Commitments, Contingencies and Legal Proceedings (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Summary of Minimum Annual Payment Due on Noncancelable Operating Lease

The following table summarizes the minimum annual payments due on noncancellable operating leases and other similar contractual obligations having initial or remaining terms in excess of one year:

In thousands	Leases		Other
2022	$	6,479	$	—
2023	3,921		19,154
2024	3,028		—
2025	2,618		—
2026	2,541		—
Thereafter	38,588		—

Schedule of Reserves

Reserves for the Site Our reserve for past and future government oversight costs and long-term monitoring and maintenance is set forth below:

	Year ended December 31,
In thousands	2021		2020
Balance at January 1,	$	18,455	$	21,870
Payments	(2,458)		(3,622)
Accretion	203		207
Balance at December 31,	$	16,200	$	18,455