Condensed Consolidated Statement of Shareholders' Equity (USD $) In Thousands, except Share data	Total	Preferred Shares [Member]	Common Shares [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Shares [Member]
Stockholders' Equity, Beginning Balance at Dec. 31, 2010	$ 303,491	$ 96,325	$ 221	$ 140,418	$ 137,578	$ (71,051)
Shares Outstanding, Beginning Balance at Dec. 31, 2010		4,000	18,524,335
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Loss	(30,901)				(30,901)
Income tax benefit from stock options and deferred compensation distributions	165			165
Stock options exercised, shares			190,090
Stock options exercised	1,500			(2,275)		3,775
Share-based compensation expense	1,525			1,525
Deferral of executive and director compensation	112			112
Executive and director deferred compensation distributions, shares			21,932
Executive and director deferred compensation distributions				(436)		436
Stockholders' Equity, Ending Balance at Sep. 30, 2011	$ 275,892	$ 96,325	$ 221	$ 139,509	$ 106,677	$ (66,840)
Shares Outstanding, Ending Balance at Sep. 30, 2011		4,000	18,736,357