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Investment in Partially Owned Entities (Details 3) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule of Debt Maturities of the Unconsolidated Entities
Mortgage debt	$ 311,476	$ 311,378
Recourse debt	26,000
Unconsolidated Entities [Member]
Schedule of Debt Maturities of the Unconsolidated Entities
2017	0
2018	203,906
2019	16,247
2020	0
2021	22,973
Thereafter	68,350
the Company [Member]
Schedule of Debt Maturities of the Unconsolidated Entities
Recourse debt	$ 23,000

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