Leadership Changes and Restructuring Activities (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Additional severance and other related charges	$ 443	$ 1,482
Non-cash adjustment		(1,098)	$ (532)
Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance, January 1, 2015		2,408
Additional severance and other related charges		1,542
Accretion		61
Cash payments		(1,337)
Non-cash adjustment		(216)
Balance, September 30, 2015	$ 2,458	$ 2,458