Restructuring - (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Employee Severance [Member]	Sep. 30, 2014 Employee Severance [Member]	Sep. 30, 2013 Employee Relocation [Member]	Sep. 30, 2013 Employee Relocation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,180	$ 2,590	$ 175	$ 70	$ 480
Impairment of Long-Lived Assets to be Disposed of	2,028	2,028
Restructuring and Related Cost, Incurred Cost						$ 0	$ 175