CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) [Abstract]
Net loss	$ (11,596)	$ (9,378)	$ (22,691)	$ (16,865)
Other comprehensive income
Employee pension plan adjustments, net of taxes	113	150	225	300
Comprehensive loss	$ (11,483)	$ (9,228)	$ (22,466)	$ (16,565)