Schedule III-Real Estate and Accumulated Depreciation (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Real estate subject to operating leases
Rollforward of Carrying Amounts of Real Estate Investments
Beginning balance	$ 2,331,613	$ 646,482	$ 560,592
Additions	223,844	1,777,443	107,484
Dispositions	(8,347)	(75,548)	(22,106)
Foreign currency translation adjustment	26,729	13,263	(1,837)
Relcassification from (to) equity investment, direct financing lease, intangible assets or assets held for sale	(58,875)	(17,681)	20,105
Reclassification from real estate under construction	2,875	0	0
Deconsolidation of real estate asset			(5,938)
Impairment charges	(11,035)	(12,346)	(11,818)
Ending balance	2,506,804	2,331,613	646,482
Rollforward of Accumulated Depreciation of Real Estate Investments
Beginning balance	116,075	118,054	108,032
Depreciation expense	60,470	24,302	15,179
Dispositions	(533)	(22,947)	(5,785)
Foreign currency translation adjustment	1,194	358	(396)
Relcassification from (to) equity investment, direct financing lease, intangible assets or assets held for sale	(9,130)	(3,692)	2,339
Deconsolidation of real estate asset	0	0	(1,315)
Ending Balance	168,076	116,075	118,054
Operating real estate
Rollforward of Carrying Amounts of Real Estate Investments
Beginning balance	99,703	109,875	109,851
Additions	706	295	24
Dispositions	(93,314)	0	0
Impairment charges	(1,071)	(10,467)	0
Ending balance	6,024	99,703	109,875
Rollforward of Accumulated Depreciation of Real Estate Investments
Beginning balance	19,993	17,121	14,280
Depreciation expense	2,242	2,872	2,841
Dispositions	(21,353)	0	0
Ending Balance	$ 882	$ 19,993	$ 17,121