Net Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net Earnings Per Share [Abstract]
(Loss) income from continuing operations	$ (13,727)	$ 7,022	$ (9,638)	$ 16,386
Income (loss) from discontinued operations		279	(4)	183
Net (loss) income	$ (13,727)	$ 7,301	$ (9,642)	$ 16,569
Weighted average shares outstanding	30,946,000	30,765,000	30,916,000	30,739,000
Common stock options and restricted stock		73,000		95,000
Weighted average shares and conversions	30,946,000	30,838,000	30,916,000	30,834,000
Anti-dilutive shares excluded from dilutive loss per share calculation	141,752		165,825