Income Taxes (Components of Net Deferred Income Tax Asset and Liability) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Net operating loss	$ 61,741	$ 63,622
Property, equipment and intangible basis differences	5,946	4,793
Accrued liabilities	9,994	9,659
Non-cash compensation	19,198	16,641
Operating lease liabliity	276,824
Deferred revenue	2,527	2,005
Allowance for doubtful accounts	4,190	5,691
Currency translation	47,468	56,604
Other	2,657	2,480
Valuation allowance	(54,610)	(50,628)
Total deferred tax assets, net	375,935	110,867
Deferred tax liabilities:
Property, equipment and intangible basis differences	(158,419)	(114,652)
Right of use asset	(269,586)
Straight-line rents	(25,535)	(20,469)
Deferred foreign withholding taxes	(7,706)	(6,225)
Deferred lease costs	(34)	(2,192)
Other	(783)	(123)
Total deferred tax liabilities, net	(86,128)	(32,794)
Other Assets [Member]
Deferred tax assets:
Total deferred tax assets, net	4,342	18,330
Other Current Liabilities [Member]
Deferred tax liabilities:
Total deferred tax liabilities, net	(1,650)
Other Long-Term Liabilities [Member]
Deferred tax liabilities:
Total deferred tax liabilities, net	$ (88,820)	$ (51,124)