Schedule III - Real Estate and Accumulated Depreciation (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Real Estate Subject To Operating Lease
Schedule III, Reconciliation of Carrying Amount of Real Estate Investments
Beginning balance	$ 4,976,685	$ 2,506,804	$ 2,331,613
Additions	548,521	2,785,863	216,422
Improvements	24,014	18,474	7,422
Dispositions	(19,597)	(137,018)	(8,347)
Foreign currency translation adjustment	(181,064)	(157,262)	26,729
Reclassification to assets held for sale	(63,494)	(33,162)	(72,827)
Reclassification from real estate under construction	55,362	0	2,875
Impairment charges	(25,773)	(20,677)	(11,035)
Write-off of fully-depreciated assets	(6,443)	0	0
Reclassification from direct financing lease	0	13,663	13,952
Ending balance	5,308,211	4,976,685	2,506,804
Schedule III, Reconciliation of Real Estate Accumulated Depreciation
Beginning balance	253,627	168,076	116,075
Depreciation expense	137,144	112,758	60,470
Dispositions	(1,566)	(20,740)	(533)
Write-off of fully-depreciated assets	(6,443)	0	0
Foreign currency translation adjustment	(6,159)	(5,318)	1,194
Reclassification to assets held for sale	(3,868)	(1,149)	(9,130)
Ending balance	372,735	253,627	168,076
Operating Real Estate
Schedule III, Reconciliation of Carrying Amount of Real Estate Investments
Beginning balance	84,885	6,024	99,703
Additions	0	78,423	0
Improvements	527	438	706
Dispositions	(2,663)	0	(93,314)
Impairment charges	0	0	(1,071)
Ending balance	82,749	84,885	6,024
Schedule III, Reconciliation of Real Estate Accumulated Depreciation
Beginning balance	4,866	882	19,993
Depreciation expense	4,275	3,984	2,242
Dispositions	(347)	0	(21,353)
Ending balance	$ 8,794	$ 4,866	$ 882