Segment Information (Long-Lived Assets by Geographic Region) (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total long-lived assets		$ 250,478	$ 234,603
United States
Segment Reporting Information [Line Items]
Total long-lived assets		191,959	177,776
Israel
Segment Reporting Information [Line Items]
Total long-lived assets		16,674	16,680
Australia
Segment Reporting Information [Line Items]
Total long-lived assets		14,394	13,765
Netherlands
Segment Reporting Information [Line Items]
Total long-lived assets		8,280	7,705
Other
Segment Reporting Information [Line Items]
Total long-lived assets	[1]	$ 19,171	$ 18,677

[1] United Kingdom, Germany, Japan, France and Italy