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Real Estate Acquisitions and Dispositions - Schedule of Real Estate Asset Acquisitions and Dispositions (Parenthetical) (Details)	Sep. 30, 2019
Novel Midtown [Member]
Business Acquisitions and Dispositions [Line Items]
Joint venture interest	80.00%

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- Definition

Acquisitions and Disposals [Line Items]

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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