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Basis of Presentation and Significant Accounting Policies - Additional Information (Details)
3 Months Ended
Mar. 31, 2016
USD ($)
Segment
Dec. 31, 2015
USD ($)
Property Plant And Equipment [Line Items]    
Number of reportable segments | Segment 3  
Notes and mortgages payable $ 2,923,834,000 $ 2,922,610,000
Revolving Credit Facility [Member]    
Property Plant And Equipment [Line Items]    
Revolving credit facility $ 1,000,000,000  
Restatement Adjustment [Member]    
Property Plant And Equipment [Line Items]    
Notes and mortgages payable   $ 18,914,000