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Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
May 13, 2013
Mar. 31, 2017
Mar. 31, 2016
Construction Contracts      
Related Party Transactions      
Revenue from contracts with affiliated entities   $ 6.6 $ 6.5
Construction Contracts | Maximum      
Related Party Transactions      
Gross profit from related parties   0.2 0.3
Real Estate Service Fees      
Related Party Transactions      
Revenue from contracts with affiliated entities   0.0 0.0
Cost Reimbursements      
Related Party Transactions      
Revenue from contracts with affiliated entities   0.0 $ 0.0
Tax Protection Agreements | Operating Partnership      
Related Party Transactions      
Period of opportunity to guarantee debt 10 years    
Tax Protection Agreements | Operating Partnership | Executive Officers      
Related Party Transactions      
Guarantee of debt   $ 0.3  
Tax Protection Agreements | Maximum | Operating Partnership      
Related Party Transactions      
Future sale period for properties 7 years    
Future sale period for properties in limited number of cases 10 years