Investments in and Advances to Unconsolidated Real Estate Ventures - Summary of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Equity Method Investments and Joint Ventures [Abstract]
Variable rate, weighted average interest rate	4.86%
Variable rate	$ 622,332	$ 461,704
Fixed rate, weighted average interest rate	3.95%
Fixed rate	$ 535,209	665,662
Unconsolidated real estate ventures - mortgages payable	1,157,541	1,127,366
Unamortized deferred financing costs	(1,945)	(1,998)
Unconsolidated real estate ventures - mortgages payable, net	$ 1,155,596	$ 1,125,368

Equity Method Investment, Long Term Debt

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Equity Method Investment, Long Term Debt, Bearing Fixed, Amount

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Equity Method Investment, Long Term Debt, Bearing Variable, Amount

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Equity Method Investment, Long Term Debt, Net

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Equity Method Investment, Long Term Debt, Percentage Bearing Fixed Interest, Percentage Rate

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Equity Method Investment, Long Term Debt, Percentage Bearing Variable Interest, Percentage Rate

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Equity Method Investment, Unamortized Deferred Financing Costs

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