Operating Segments and Related Information (Details 5) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	$ 1,987,899	$ 1,988,824
United States
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	1,144,758	1,137,375
Europe [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	440,549	435,024
Other Geographic Region [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	$ 402,592	$ 416,425