Restructuring and Other Exit Costs (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended		9 Months Ended		12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Restructuring Plan 2012 [Member]	Dec. 31, 2013 Restructuring Plan 2012 [Member]	Dec. 31, 2012 Restructuring Plan 2012 [Member]	Sep. 30, 2014 Restructuring Plan December 2013 [Member]	Dec. 31, 2013 Restructuring Plan December 2013 [Member]	Sep. 30, 2014 Employee Severance [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2013 Employee Severance [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2012 Employee Severance [Member] Restructuring Plan 2012 [Member]	Sep. 30, 2013 Employee Severance [Member] Restructuring Plan 2013 [Member]	Sep. 30, 2014 Employee Severance [Member] Restructuring Plan December 2013 [Member]	Dec. 31, 2013 Employee Severance [Member] Restructuring Plan December 2013 [Member]	Sep. 30, 2014 Fixed Assets Write Off [Member] Restructuring Plan December 2013 [Member]	Dec. 31, 2013 Fixed Assets Write Off [Member] Restructuring Plan December 2013 [Member]	Sep. 30, 2014 Other Costs [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2013 Other Costs [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2012 Other Costs [Member] Restructuring Plan 2012 [Member]	Sep. 30, 2014 Other Costs [Member] Restructuring Plan December 2013 [Member]	Dec. 31, 2013 Other Costs [Member] Restructuring Plan December 2013 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance					$ 3	$ 144		$ 1,434		$ 3	$ 133			$ 1,434		$ 0		$ 0	$ 11		$ 0
Restructuring charges (credits)	97	96	349	51			323	469	2,100			312	96	199	2,100	13	0			11	257	0
Restructuring Reserve, Settled with Cash						(95)	(179)	(1,681)	(666)		(84)	(179)	(96)	(1,447)	(666)	0	0		(11)	0	(234)	0
Restructuring Reserve, Accrual Adjustment					(3)	(46)		(130)		(3)	(46)			(117)		(13)		0	0		0
Restructuring Reserve, Ending Balance					$ 0	$ 3	$ 144	$ 92	$ 1,434	$ 0	$ 3	$ 133	$ 0	$ 69	$ 1,434	$ 0	$ 0	$ 0	$ 0	$ 11	$ 23	$ 0