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Related Party Transactions - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
May 13, 2013
Oct. 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Construction Contracts            
Related Party Transactions            
Revenue from contracts with affiliated entities     $ 0 $ 100,000 $ 0 $ 1,500,000
Gross profit from related parties     0 100,000 0 300,000
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            
Future sale period for properties 7 years          
Future sale period for properties in limited number of cases 10 years          
Subsequent Event | Executive Officer | Construction Contracts            
Related Party Transactions            
Gross profit from related parties   $ 300,000        
Related party amount of transaction   $ 7,500,000