Share-Based Compensation (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) shares in Thousands	9 Months Ended
	Sep. 30, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, December 31, 2014 | shares	271
Granted | shares	0
Exercised | shares	(28)
Expired or cancelled | shares	0
Outstanding, September 30, 2015 | shares	243
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, December 31, 2014	$ 6.67
Granted	0.00
Exercised	7.21
Expired or cancelled	0.00
Outstanding, September 30, 2015	$ 6.61
Exercisable, shares | shares	243
Exercisable, Weighted Average Exercise Price	$ 6.61