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, Outstanding at Dec. 31, 2010	27,004,934	27,017,165
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,122	0	0	1,122	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		30,691
Proceeds from Stock Options Exercised	182	0		182
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	(1,678)				(1,678)
Balance, June 30, 2011 at Jun. 30, 2011	$ 243,479	$ 270	$ (3,003)	$ 155,971	$ 90,241
Treasury Stock, Shares at Jun. 30, 2011	317,731		(317,731)
Common Stock, Shares, Outstanding at Jun. 30, 2011	26,717,341	27,035,073