CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) [Abstract]
Net income (loss)	$ 2,581	$ (38,081)	$ (11,907)	$ (60,771)
Other comprehensive income
Employee pension plan adjustments, net of taxes	231	113	694	338
Comprehensive income (loss)	$ 2,812	$ (37,968)	$ (11,213)	$ (60,433)