Restructuring Costs (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning			$ 4,123
Restructuring expenses	$ 7,702	$ 3,001	28,486	$ 3,610
Utilization			(20,682)
Restructuring Reserve, Ending	11,927		11,927
Employee Separation costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning			1,343
Restructuring expenses			17,353
Utilization			(7,603)
Restructuring Reserve, Ending	11,093		11,093
Third party and other costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning			2,780
Restructuring expenses			11,133
Utilization			(13,079)
Restructuring Reserve, Ending	$ 834		$ 834