CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) (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, 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	0	0	0	(7,487)	0	(7,487)
Employee pension plan adjustments, net of taxes	0	0	0	0	150	150
Stock-based compensation expense
Restricted stock	0	1,227	0	0	0	1,227
Restricted stock (in shares)	(33,529)
Stock options	0	53	0	0	0	53
Tax deficiency of stock-based awards and canceles	0	(244)	0	0	0	(244)
Net share settlement for equity-based compensation	0	(368)	0	0	0	(368)
Net share settlement for equity-based compensation (in shares)	(56,635)
Cash dividend	0	0	0	(1,656)	0	(1,656)
BALANCE at Mar. 31, 2013	$ 141,377	$ 23,345	$ (82,860)	$ 114,916	$ (6,626)	$ 190,152
BALANCE (in shares) at Mar. 31, 2013	29,569,293					29,569,293