Operating Segments and Geographic Information (Operations by Geographic Area) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Long-lived assets	$ 890,670	$ 664,792
United States
Segment Reporting Information [Line Items]
Long-lived assets	454,531	433,870
England
Segment Reporting Information [Line Items]
Long-lived assets	188,859	0
Germany
Segment Reporting Information [Line Items]
Long-lived assets	133,546	133,873
Other
Segment Reporting Information [Line Items]
Long-lived assets	$ 113,734	$ 97,049