Segment Information Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 482,616	$ 397,030
Percent of operating revenue by geographic area	100.00%	100.00%
Property and equipment, net	$ 4,230,511		$ 4,215,063
Percent of property and equipment by geographic area	100.00%		100.00%
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 276,755	$ 290,419
Percent of operating revenue by geographic area	57.30%	73.10%
Property and equipment, net	$ 3,204,941		$ 3,202,963
Percent of property and equipment by geographic area	75.80%		76.00%
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 51,798	$ 59,941
Percent of operating revenue by geographic area	10.70%	15.10%
Property and equipment, net	$ 469,722		$ 465,123
Percent of property and equipment by geographic area	11.00%		11.00%
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 23,023	$ 27,205
Percent of operating revenue by geographic area	4.80%	6.90%
Property and equipment, net	$ 242,088		$ 230,706
Percent of property and equipment by geographic area	5.70%		5.50%
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 95,676	$ 9,654
Percent of operating revenue by geographic area	19.80%	2.40%
Property and equipment, net	$ 298,792		$ 303,210
Percent of property and equipment by geographic area	7.10%		7.20%
Netherlands [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 24,761	$ 7,433
Percent of operating revenue by geographic area	5.20%	1.90%
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 10,603	$ 2,378
Percent of operating revenue by geographic area	2.20%	0.60%
Property and equipment, net	$ 14,968		$ 13,061
Percent of property and equipment by geographic area	0.40%		0.30%
Total Non-United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating revenues	$ 205,861	$ 106,611
Percent of operating revenue by geographic area	42.70%	26.90%
Property and equipment, net	$ 1,025,570		$ 1,012,100
Percent of property and equipment by geographic area	24.20%		24.00%