Commitments and Contingencies - Additional Information (Details) ft² in Thousands, $ in Thousands	Apr. 03, 2017 USD ($) ft²	Mar. 31, 2017 USD ($) ft² Property	Dec. 31, 2016 USD ($) ft²
Other Commitments [Line Items]
Number of industrial properties under construction | Property		8
Gross leasable area (GLA) of industrial properties under construction | ft²		1,800
Estimated total investment		$ 135,700
Estimated total investment remaining to be funded		$ 71,700
Gross leasable area (GLA) of industrial properties destroyed by fires | ft²		62,700
2016 Fire
Other Commitments [Line Items]
Gross leasable area (GLA) of industrial properties destroyed by fires | ft²			30
Write off of unamortized net book value of building improvements			$ 2,824
Insurance deductible			$ 25
Subsequent Events | 2017 Fire
Other Commitments [Line Items]
Gross leasable area (GLA) of industrial properties destroyed by fires | ft²	80
Insurance deductible	$ 25