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Investment in Consolidated and Unconsolidated Entities - Maturity 3rd Party Mortgage Debt (Details) - Unconsolidated Entities [Member] $ in Thousands	Dec. 31, 2017 USD ($)
Schedule of Debt Maturities of the Unconsolidated Entities
2018	$ 204,028
2019	16,250
2020	0
2021	23,150
2022	0
Thereafter	68,805
Mortgage debt	$ 312,233

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Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year for equity method investments.

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Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year for equity method investments.

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Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year for equity method investments.

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Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year for equity method investments.

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