Condensed Consolidated Statement of Stockholders' Deficit (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained deficit [Member]	Accumulated other comprehensive loss [Member]
Beginning Balance at Dec. 31, 2012	$ (317,813)	$ 262	$ 506,153	$ (568,239)	$ (255,989)
Beginning Balance, Shares at Dec. 31, 2012	26,288,998	26,289,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(47,485)	0	0	(47,485)	0
Issuance of Common Stock, Shares		185,000
Issuance of Common Stock	0	2	(2)	0	0
Exercise of stock options, Shares		3,000
Exercise of stock options	17	0	17	0	0
Stock based compensation expense, Shares		0
Stock based compensation expense	1,844	0	1,844	0	0
Employee benefit adjustment to comprehensive income, Shares		0
Employee benefit adjustment to comprehensive income	2,748	0	0	0	2,748
Ending Balance at Mar. 31, 2013	$ (360,689)	$ 264	$ 508,012	$ (615,724)	$ (253,241)
Ending Balance, Shares at Mar. 31, 2013	26,477,258	26,477,000