Reporting For Segments (Summary of Long-Lived Assets by Geographic Region) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 300,005	$ 275,539
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	71,617	56,263
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	51,224	32,941
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	34,996	35,744
Columbia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	32,475	32,587
Other International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 109,693	$ 118,004