Condensed Consolidated Statement of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2010	$ 246,856	$ 270	$ 0	$ 154,667	$ 91,919
Treasury Stock, Shares at Dec. 31, 2010	(12,231)		(12,231)
Common Stock, Shares, Issued at Dec. 31, 2010	27,017,165	27,017,165
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,818	0	0	1,818	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		32,123
Proceeds from Stock Options Exercised	185	0		185
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		400,417
Stock Issued During Period, Value, Restricted Stock Award, Gross		4		(4)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0
Tax Benefit from Stock Options Exercised	0
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited		(12,783)
Restricted Stock Award, Forfeitures	0	0		0
Treasury Stock, Shares, Acquired			(305,500)
Treasury Stock, Value, Acquired, Cost Method	(3,003)		(3,003)
Net Income (Loss) Attributable to Parent	(7,896)				(7,896)
Balance, September 30, 2011 at Sep. 30, 2011	$ 237,960	$ 274	$ (3,003)	$ 156,666	$ 84,023
Treasury Stock, Shares at Sep. 30, 2011	(317,731)		(317,731)
Common Stock, Shares, Issued at Sep. 30, 2011	27,436,922	27,436,922