Schedule of Tangible Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets
Long-Lived Assets	$ 2,660,064	$ 2,601,827	$ 2,542,911
UNITED STATES
Revenues from External Customers and Long-Lived Assets
Long-Lived Assets	1,486,987	1,419,113	1,467,701
UNITED KINGDOM
Revenues from External Customers and Long-Lived Assets
Long-Lived Assets	304,790	315,333	330,113
Other countries
Revenues from External Customers and Long-Lived Assets
Long-Lived Assets	539,040	507,197	404,102
GERMANY
Revenues from External Customers and Long-Lived Assets
Long-Lived Assets	$ 329,247	$ 360,184	$ 340,995