Organization - Additional Information (Detail) ft² in Millions	12 Months Ended
	Dec. 31, 2015 ft² Property Joint_Ventures State	Dec. 31, 2014 ft² Property	Dec. 31, 2013 ft² Property
Organization [Line Items]
Company's ownership interest in the Operating Partnership	96.30%	96.20%
Operating Partnership's minimum ownership interest in the limited partnerships	99.00%
Company's ownership interest in the general partners	100.00%
Limited partners' ownership interest in the Operating Partnership	3.70%	3.80%
Number of joint ventures | Joint_Ventures	2
Number of industrial properties sold	66	29	67
Gross leasable area (GLA) of industrial properties sold | ft²	3.8	2.0	3.0
Number of industrial properties owned	589
Number of states in which industrial properties are located | State	25
Gross leasable area (GLA) of industrial properties sold | ft²	63.6
Other Real Estate Partnership
Organization [Line Items]
NumberOfLimitedPartnership	8
Operating Partnership's minimum ownership interest in the limited partnerships	99.00%
General Partners' minimum ownership interest in the limited partnerships	0.01%
2003 Net Lease Joint Venture
Organization [Line Items]
Noncontrolling equity ownership interest	15.00%
Number of industrial properties sold	1
Gross leasable area (GLA) of industrial properties sold | ft²	0.8
2007 Europe Joint Venture
Organization [Line Items]
Noncontrolling equity ownership interest	10.00%
Number of industrial properties owned	0