Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Entity-Wide Disclosure (Schedule of Property, Plant and Equipment by Location) (Details)

v3.8.0.1
Entity-Wide Disclosure (Schedule of Property, Plant and Equipment by Location) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Segment Reporting Information [Line Items]    
Property, plant and equipment, net $ 199,951 $ 208,415
United States [Member]    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 75,191 91,894
Europe and Middle East [Member]    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 120,498 108,978
Asia Pacific [Member]    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 4,262 7,543
Israel [Member]    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net $ 101,400 $ 92,100