Subsequent Events - Additional Information (Details) $ in Thousands	1 Months Ended	9 Months Ended
	Oct. 25, 2018 USD ($) Property	Sep. 30, 2018 USD ($) Property
Subsequent Event [Line Items]
Number of industrial properties owned		468
Acquisition Activity
Subsequent Event [Line Items]
Number of industrial properties owned		6
Purchase price of industrial properties acquired | $		$ 101,941
Disposition Activity
Subsequent Event [Line Items]
Number of industrial properties owned		34
Proceeds from sale of industrial properties | $		$ 120,516
Subsequent Event | Acquisition Activity
Subsequent Event [Line Items]
Number of industrial properties owned	1
Number of Land Parcels	1
Purchase price of industrial properties acquired | $	$ 16,606
Subsequent Event | Disposition Activity
Subsequent Event [Line Items]
Number of industrial properties owned	1
Number of Land Parcels	1
Proceeds from sale of industrial properties | $	$ 8,325