CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
BALANCE at Dec. 31, 2010	$ 140,726	$ 17,378	$ (82,860)	$ 151,989	$ (4,748)	$ 222,485
BALANCE (in shares) at Dec. 31, 2010	28,109,987
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	0	0	0	17,540	0	17,540
Employee pension plan adjustments, net of taxes	0	0	0	0	(1,968)	(1,968)
Stock-based compensation expense
Restricted stock	0	3,141	0	0	0	3,141
Restricted stock (in shares)	393,431
Stock options	0	400	0	0	0	400
Tax benefit of options exercised	0	158	0	0	0	158
Tax deficiency of stock-based awards and canceled	0	(740)	0	0	0	(740)
Net share settlement for equity-based compensation	(60)	(802)	0	0	0	(862)
Net share settlement for equity-based compensation (in shares)	(68,250)
Cash dividend	0	0	0	(1,583)	0	(1,583)
Cash dividend declared true-up	0	0	0	(257)	0	(257)
Exercise of stock options	711	0	0	0	0	711
Exercise of stock options (in shares)	113,106					113,106
BALANCE at Dec. 31, 2011	141,377	19,535	(82,860)	167,689	(6,716)	239,025
BALANCE (in shares) at Dec. 31, 2011	28,548,274
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	0	0	0	(37,186)	0	(37,186)
Employee pension plan adjustments, net of taxes	0	0	0	0	(60)	(60)
Stock-based compensation expense
Restricted stock	0	3,982	0	0	0	3,982
Restricted stock (in shares)	1,213,621
Stock options	0	358	0	0	0	358
Tax deficiency of stock-based awards and canceled	0	(667)	0	0	0	(667)
Net share settlement for equity-based compensation	0	(531)	0	0	0	(531)
Net share settlement for equity-based compensation (in shares)	(102,438)
Cash dividend	0	0	0	(6,444)	0	(6,444)
BALANCE at Dec. 31, 2012	141,377	22,677	(82,860)	124,059	(6,776)	198,477
BALANCE (in shares) at Dec. 31, 2012	29,659,457					29,659,457
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	0	0	0	(51,286)	0	(51,286)
Employee pension plan adjustments, net of taxes	0	0	0	0	3,214	3,214
Stock-based compensation expense
Restricted stock	0	2,893	0	0	0	2,893
Restricted stock (in shares)	400,779
Stock options	0	102	0	0	0	102
Tax deficiency of stock-based awards and canceled	0	(698)	0	0	0	(698)
Net share settlement for equity-based compensation	0	(797)	0	0	0	(797)
Net share settlement for equity-based compensation (in shares)	(140,475)
Cash dividend	0	0	0	(6,709)	0	(6,709)
BALANCE at Dec. 31, 2013	$ 141,377	$ 24,177	$ (82,860)	$ 66,064	$ (3,562)	$ 145,196
BALANCE (in shares) at Dec. 31, 2013	29,919,761					29,919,761