Property, Plant and Equipment, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Dec. 31, 2018
Property, Plant and Equipment, Net
Property, plant and equipment, net	$ 322,119		$ 322,119			$ 334,853
Tangible asset impairment charges	200	$ 100	9,200	$ 100
Remaining net book value of assets	1,398,364		1,398,364			1,495,257
Depreciation expense	7,700	$ 7,000	22,800	$ 21,100
Foreign
Property, Plant and Equipment, Net
Property, plant and equipment, net	97,800		97,800			91,900
Construction in progress
Property, Plant and Equipment, Net
Property, plant and equipment, net	$ 77,998		77,998			$ 97,863
India Manufacturing Facility
Property, Plant and Equipment, Net
Property, plant and equipment, net					$ 51,100
impairment of long-lived assets to be disposed of			$ 8,900
Remaining net book value of assets					$ 55,500