CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 759	$ (17,271)
Other comprehensive income (loss), net of tax:
Net actuarial pension loss amortization, net of income tax of $0 and $211	0	333
Prior service cost (credit) amortization, net of income tax of $151 and $151	(238)	(238)
Other comprehensive income (loss), net of tax	(238)	95
Comprehensive income (loss)	$ 521	$ (17,176)