Restructuring Costs (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning			$ 4,123
Restructuring expenses	$ 293	$ 2,166	28,779	$ 5,776
Utilization			(25,374)
Restructuring Reserve, Ending	7,528		7,528
Employee Separation costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning			1,343
Restructuring expenses			17,151
Utilization			(11,253)
Restructuring Reserve, Ending	7,241		7,241
Third party and other costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning			2,780
Restructuring expenses			11,628
Utilization			(14,121)
Restructuring Reserve, Ending	$ 287		$ 287