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Individually Significant Dispositions - Additional Information (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Starwood Portfolio [Member] | Disposal Group, Not Discontinued Operations [Member]    
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]    
Percentage of consolidated NOI 1.20% 15.70%