Organization and Formation of Partnership - Additional Information (Detail)	Jun. 30, 2014 Property sqft State Joint_Ventures
Organization And Formation Of Company [Line Items]
Ownership interest of sole general partner	96.10%
Ownership interest of limited partners	3.90%
Number of joint ventures	2
Number of industrial properties owned	590
Number of states in which industrial properties are located	24
Gross leasable area (GLA) of industrial properties owned	56,200,000
Other Real Estate Partnerships
Organization And Formation Of Company [Line Items]
Minimum ownership interest in limited partnerships	99.00%
Number of limited partnerships	8
Minimum ownership interest of limited partnerships	0.01%
Number of industrial properties owned	63
Gross leasable area (GLA) of industrial properties owned	8,100,000
2003 Net Lease Joint Venture
Organization And Formation Of Company [Line Items]
Number of industrial properties owned	1
Gross leasable area (GLA) of industrial properties owned	800,000