Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Computation of basic and diluted earnings per common share [Abstract]
Net income (loss)	$ 1,455	$ (1,607)
Weighted average shares - Basic (in shares)	26,154	25,767
Effect of dilutive stock options (in shares)	70	0
Adjusted weighted average shares and assumed conversions - Diluted (in shares)	26,224	25,767
Basic earnings (loss) per common share (in dollars per share)	$ 0.06	$ (0.06)
Diluted earnings (loss) per common share (in dollars per share)	$ 0.06	$ (0.06)
Potentially dilutive outstanding stock options excluded from the computation of diluted earnings per share [Abstract]
Anti-dilutive options (in shares)		149
Stock Options [Member]
Potentially dilutive outstanding stock options excluded from the computation of diluted earnings per share [Abstract]
Anti-dilutive options (in shares)	1,550	1,416
Range of exercise price, minimum (in dollars per share)	$ 11.71	$ 11.71
Range of exercise price, maximum (in dollars per share)	$ 21.08	$ 21.08