Debt (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Long term debt and capital lease obligations

	June 30, 2020				December 31, 2019
In thousands	Current		Non-Current		Current		Non-Current
2024 Senior Notes, net(1)	$	—	$	227,238	$	—	$	226,885
Revolving Credit Facility(2)	—		60,000		—		—
Finance lease obligations	27,176		34,205		22,746		45,866
	$	27,176	$	321,443	$	22,746	$	272,751

⁽¹⁾ Net of unamortized debt issuance costs of $2.8 million and $3.1 million at June 30, 2020 and December 31, 2019, respectively.

⁽²⁾ Unamortized debt issuance costs of $1.9 million and $2.3 million at June 30, 2020 and December 31, 2019, respectively, included in Other Non-Current Assets.

Interest expenses incurred for various debt instruments

Interest Expense

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2020		2019		2020		2019
2024 Senior Notes	$	3,378	$	3,671	$	6,756	$	7,344
Revolving Credit Facility	1,204		1,953		1,753		3,806
Finance lease obligations	920		1,142		1,925		2,249
Amortization of debt issuance costs	390		390		771		732
Accretion of Silvertip contingent consideration	—		180		—		359
Other debt obligations	181		2		216		2
Capitalized interest	(308)		(513)		(528)		(1,213)
Total interest expense, net of capitalized interest	$	5,765	$	6,825	$	10,893	$	13,279