Commitments, Contingencies and Legal Proceedings (Tables)

12 Months Ended

Dec. 31, 2019

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 noncancelable operating leases and other similar contractual obligations having initial or remaining terms in excess of one year:

In thousands	Leases		Other
2020	$	5,236	$	86,722
2021		4,090		17,258
2022		2,626		14,334
2023		1,320		62
2024		927		5
Thereafter		4,222		12

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		2019			2018
Balance at January 1,	$	45,001		$	43,144
Payments		(20,805	)		(3,054	)
Reserve adjustment		(2,509	)	—
Assumption of WTM I escrow		—		4,746
Accretion		183		165
Balance at December 31,	$	21,870		$	45,001