Investments in Unconsolidated Joint Ventures - Summary of Investments and Income from Investments In Unconsolidated Joint Ventures (Parenthetical) (Details)	Dec. 31, 2016
1325 Avenue of the Americas [Member]
Schedule Of Equity Method Investments [Line Items]
Property ownership, percentage	100.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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