Employee Benefit Plans (Net Periodic Benefit Costs) (Details) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0
Interest cost	376	350	393
Expected return on plan assets	(412)	(477)	(467)
Amortization of actuarial loss	29	14	14
Net periodic (benefit) cost	$ (7)	$ (113)	$ (60)
United States | Minimum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	4.02%	3.33%	3.71%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	5.00%	4.75%	4.75%
United States | Maximum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	4.08%	3.45%	3.90%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	6.00%	6.50%	6.50%
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 92	$ 92	$ 98
Interest cost	291	293	286
Expected return on plan assets	(199)	(222)	(226)
Amortization of actuarial loss	178	77	35
Net periodic (benefit) cost	$ 362	$ 240	$ 193
Non-U.S. Plans | Minimum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	2.00%	1.80%	1.70%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase	2.00%	2.00%	2.00%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	3.50%	3.30%	3.50%
Non-U.S. Plans | Maximum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	2.80%	2.40%	2.60%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase	3.70%	3.70%	3.90%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	4.00%	4.00%	4.00%