Operating Segments and Related Information (Details 6) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Business Unit Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	$ 1,952,245	$ 1,988,824
United States
Business Unit Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	1,122,056	1,137,375
Europe [Member]
Business Unit Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	418,747	435,024
Other Geographic Region [Member]
Business Unit Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	$ 411,442	$ 416,425