Stock-Based Compensation (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			3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 $10.40 to $11.59	Mar. 31, 2014 $2.37 to $6.21
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Maximum			$ 10.40	$ 2.37
Range of Exercise Prices, Maximum			$ 11.59	$ 6.21
Weighted Average Exercise Prices	$ 6.57	$ 6.64	$ 11.13	$ 5.32
Grants Outstanding	308		63	245
Intrinsic Value-Grants Outstanding			$ 0	$ 214
Grants Exercisable	264		63	201
Intrinsic Value- Grants Exercisable			$ 0	$ 192