Shareholders' Equity, Stock Plans and Preferred Stock (Schedule of Stock Options Outstanding and Exercisable) (Details) (Stock Options and Stock Appreciation Rights (SARs), USD $) In Thousands, except Per Share data, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 $10.40 to $11.59	Dec. 31, 2012 $2.37 to $6.21
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range limit (in dollars per share)			$ 10.40	$ 2.37
Range of Exercise Prices, upper range limit (in dollars per share)			$ 11.59	$ 6.21
Weighted Average Exercise Prices (in dollars per share)	$ 6.62	$ 6.68	$ 11.17	$ 5.22
Grants Outstanding, shares	461		109	352
Intrinsic Value- grants Outstanding			$ 0	$ 127
Grants Exercisable (in shares)	336		109	227
Intrinsic Value - grants Exercisable			$ 0	$ 140