XML 56 R39.htm IDEA: XBRL DOCUMENT v3.6.0.2
Organization - Additional Information (Details)
ft² in Millions
12 Months Ended
Dec. 31, 2016
ft²
State
Property
Dec. 31, 2015
Organization [Line Items]    
Company's ownership interest 96.70% 96.30%
Limited partners' ownership interest in the Operating Partnership 3.30% 3.70%
Number of industrial properties owned | Property 537  
Number of states in which industrial properties are located | State 23  
Gross leasable area (GLA) of industrial properties sold | ft² 62.3  
Other Real Estate Partnerships    
Organization [Line Items]    
Company's ownership interest 100.00%  
Number of Other Real Estate Partnerships 8  
Operating Partnership's minimum ownership interest in the Other Real Estate Partnerships 99.00%  
General partners' minimum ownership interest in the Other Real Estate Partnerships 0.01%