Restructuring Costs (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Accrued expense balance as of December 31, 2015	$ (4,144)
Amounts paid	4,254
Additional accrued expense	(110)
Accrued expense balance as of September 30, 2016