Shareholders' Equity, Stock Plans and Preferred Stock (Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, 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, 2014	Dec. 31, 2013
Stock Options and Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (shares)	271	333
Granted (shares)	0
Exercised (shares)	(25)
Cancelled/Expired (shares)	(37)
Outstanding at end of period (shares)	271	333
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted-Average Exercise Price, Outstanding at beginning of period	$ 6.64
Weighted-Average Exercise Price, Granted	$ 0.00
Weighted-Average Exercise Price, Exercised	$ 4.58
Weighted-Average Exercise Price, Cancelled/Expired	$ 7.87
Weighted-Average Exercise Price, Outstanding at end of period	$ 6.67
Number of Shares, Exercisable (shares)	258
Weighted-Average Exercise Price, Exercisable	$ 6.71