Subsequent Event (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Subsequent Event [LineItems]
Subsequent event date	Oct. 22, 2018
Subsequent event description	On October 22, 2018, the Company announced that it will incur restructuring charges in the fourth quarter of 2018.
Restructuring and related activities initiation date	Oct. 17, 2018
Restructuring and related activities completion date	Dec. 29, 2019
Restructuring charges, period over which charges are expected to be paid	This cash charge is expected to be paid from October 2018 through December 2019.
Maximum [Member]
Subsequent Event [LineItems]
Restructuring Charges	$ 60,000
Minimum [Member]
Subsequent Event [LineItems]
Restructuring Charges	$ 50,000