Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2016

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive income (loss) is comprised of the following items, net of tax:

In thousands	December 31, 2016		December 31, 2015
Unrealized gain (loss) on:
Available-for-sale investments	$	53	$	(377	)
Postretirement benefit obligation	527		317
Accumulated other comprehensive income (loss) at end of period	$	580	$	(60	)