Restructuring, Strategic Transaction and Integration (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 5,549	$ 1,416	$ 2,029
Restructuring Costs	8,375	4,471
Payments for Restructuring	(4,242)	(5,077)
Restructuring Reserve, Accrual Adjustment	0	(7)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	3,878	677	915
Restructuring Costs	5,634	4,311
Payments for Restructuring	(2,433)	(4,549)
Restructuring Reserve, Accrual Adjustment	0	0
Special Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	460	739	1,114
Restructuring Costs	0	0
Payments for Restructuring	(279)	(368)
Restructuring Reserve, Accrual Adjustment	0	(7)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,211	0	$ 0
Restructuring Costs	2,741	160
Payments for Restructuring	(1,530)	(160)
Restructuring Reserve, Accrual Adjustment	$ 0	$ 0