Operating Segments and Related Information (Details 5) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	$ 1,409,806	$ 1,063,457
United States
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	676,007	666,759
Europe [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	673,767	383,501
Other Geographic Region [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Long-lived assets	$ 60,032	$ 13,197