Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 9,343	$ 16,437	$ (47,583)
Pension Adjustments
Amortization of actuarial loss included in net income (loss), net of tax benefit of $408, $427 and $160 for 2013, 2012 and 2011, respectively	685	720	270
Actuarial gain (loss) arising during the period, net of tax expense (benefit) of $1,737, ($300) and $(2,663) for 2013, 2012 and 2011, respectively	2,921	(863)	(4,493)
Other Comprehensive Income (Loss)	3,606	(143)	(4,223)
Comprehensive Income (Loss)	$ 12,949	$ 16,294	$ (51,806)