Investment in Unconsolidated Real Estate Ventures - Aggregate Principal Payments of Recourse and Non-recourse Debt Payable to Third-parties (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Schedule Of Equity Method Investments [Line Items]
2019	$ 7,595
2020	87,226
2021	15,143
2022	348,832
2023	556,736
Thereafter	1,028,610
Total principal payments	370,319	$ 768,912
Net deferred financing costs	(10,241)
Outstanding indebtedness	365,707	$ 766,420
Unconsolidated Real Estate Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
2019	4,998
2020	1,290
2021	58,651
2022	25,277
2023	280,005
Thereafter	98
Total principal payments	370,319
Net deferred financing costs	(4,612)
Outstanding indebtedness	$ 365,707

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Equity method investment summarized financial information debt net.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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