Stock-Based Compensation (Schedule of Stock Options Outstanding and Exercisable) (Details) - Stock Options and Stock Appreciation Rights (SARs) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Prices	$ 6.61	$ 6.67
Grants Outstanding	243
Grants Exercisable	243
$10.40 to $11.59
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Maximum	$ 10.4
Range of Exercise Prices, Maximum	11.59
Weighted Average Exercise Prices	$ 11.09
Grants Outstanding	48
Intrinsic Value-Grants Outstanding	$ 0
Grants Exercisable	48
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, Maximum	$ 2.37
Range of Exercise Prices, Maximum	6.21
Weighted Average Exercise Prices	$ 5.50
Grants Outstanding	195
Intrinsic Value-Grants Outstanding	$ 893
Grants Exercisable	195
Intrinsic Value- Grants Exercisable	$ 893