CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net loss	$ (143,070)	$ (104,589)	$ (132,915)
Other comprehensive income (loss):
Change in pension and postretirement obligations, net of tax of $673 in 2013, $54 in 2012 and $(79) in 2011	1,249	102	(146)
Total Other Comprehensive Income (Loss), Net of Tax	1,249	102	(146)
Comprehensive loss	$ (141,821)	$ (104,487)	$ (133,061)