CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Total
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(60,771)	0	(60,771)
Employee pension plan adjustments, net of taxes	0	0	0	0	338	338
Stock-based compensation expense
Restricted stock	$ 0	2,408	0	0	0	2,408
Restricted stock (in shares)	79,582
Stock options	$ 0	78	0	0	0	78
Net share settlement for equity-based compensation	$ 0	(112)	0	0	0	(112)
Net share settlement for equity-based compensation (in shares)	(27,682)
Cash dividend	$ 0	0	0	(3,841)	0	(3,841)
BALANCE at Sep. 30, 2014	$ 141,377	26,551	(82,860)	1,452	(3,224)	83,296
BALANCE (in shares) at Sep. 30, 2014	29,971,661
BALANCE at Dec. 31, 2014	$ 141,377	26,350	(82,860)	5,610	(7,467)	$ 83,010
BALANCE (in shares) at Dec. 31, 2014	29,933,086					29,933,086
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(11,907)	0	$ (11,907)
Employee pension plan adjustments, net of taxes	0	0	0	0	694	694
Stock-based compensation expense
Restricted stock	$ 0	852	0	0	0	852
Restricted stock (in shares)	(106,269)
Stock options	$ 0	33	0	0	0	33
Net share settlement for equity-based compensation	$ 0	(104)	0	0	0	(104)
Net share settlement for equity-based compensation (in shares)	(49,075)
BALANCE at Sep. 30, 2015	$ 141,377	$ 27,131	$ (82,860)	$ (6,297)	$ (6,773)	$ 72,578
BALANCE (in shares) at Sep. 30, 2015	29,777,742					29,777,742