Basis of Presentation (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets
Net investments in properties	$ 2,690,341	$ 2,678,223
Net investments in direct financing leases	511,001	495,564
In-place lease and tenant relationship intangible assets, net	440,431	445,223
Other assets, net	317,696	246,027
Total assets	4,714,545	4,613,190
Liabilities
Non-recourse debt, net	2,014,458	1,881,774
Accounts payable, accrued expenses and other liabilities	137,432	133,948
Deferred income taxes	27,953	24,929
Total liabilities	2,359,326	2,318,595
Variable Interest Entity
Assets
Net investments in properties	448,897	309,030
Net investments in direct financing leases	315,996	303,112
In-place lease and tenant relationship intangible assets, net	28,205	20,269
Other assets, net	70,017	66,654
Total assets	868,706	705,535
Liabilities
Non-recourse debt, net	335,019	262,830
Accounts payable, accrued expenses and other liabilities	18,437	15,662
Deferred income taxes	12,584	10,675
Total liabilities	$ 366,750	$ 289,889