Restructuring Costs (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Accrued expense balance as of December 31, 2014	$ (7,956)
Amounts paid	16,418
Additional accrued expense	(11,568)
Accrued expense balance as of September 30, 2015	$ (3,106)