Geographic Concentrations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 1,987,727	$ 1,783,705	$ 1,603,635
Total Assets	7,831,151	4,170,683
Long-lived assets	5,216,095	3,065,321
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	1,729,657	1,527,270	1,332,146
Total Assets	6,067,809	3,821,555
Long-lived assets	4,133,145	2,815,567
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	0	0	0
Total Assets	1,329,755	0
Long-lived assets	785,813	0
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	248,494	246,788	259,737
Total Assets	375,082	341,334
Long-lived assets	246,162	245,453
South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	9,576	9,647	$ 11,752
Total Assets	58,505	7,794
Long-lived assets	$ 50,975	$ 4,301