Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Carrying Value and Fair Value of Long-Term Debt

The following table sets forth the carrying value and fair value of long-term debt as of December 31:

	2018				2017
In thousands	Carrying Value		Fair Value		Carrying Value		Fair Value
Variable rate debt	$	114,495	$	114,495	$	171,200	$	171,200
Fixed-rate bonds		250,000		249,010		250,000		253,823
2.40% Term loan		5,725		5,836		7,710		7,889
2.05% Term loan		25,972		26,346		33,607		34,122
1.30% Term Loan		7,361		7,341		9,423		9,370
1.55% Term loan		9,470		9,453		11,390		11,320
Total	$	413,023	$	412,481	$	483,330	$	487,724