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, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Prices (in dollars per share)	$ 6.67	$ 6.64
Grants Outstanding, shares	271
Grants Exercisable (in shares)	258
$10.40 to $11.59
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range limit (in dollars per share)	$ 10.4
Range of Exercise Prices, upper range limit (in dollars per share)	$ 11.59
Weighted Average Exercise Prices (in dollars per share)	$ 11.14
Grants Outstanding, shares	57
Intrinsic Value- Grants Outstanding	$ 0
Grants Exercisable (in shares)	57
Intrinsic Value - Grants Exercisable	0
$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)	$ 2.37
Range of Exercise Prices, upper range limit (in dollars per share)	$ 6.21
Weighted Average Exercise Prices (in dollars per share)	$ 5.50
Grants Outstanding, shares	214
Intrinsic Value- Grants Outstanding	849
Grants Exercisable (in shares)	201
Intrinsic Value - Grants Exercisable	$ 801