Subsequent Events - Additional Information (Details) $ in Thousands	1 Months Ended	6 Months Ended
	Jul. 27, 2017 USD ($) Property	Jun. 30, 2017 USD ($) Property
Subsequent Event [Line Items]
Number of industrial properties sold | Property		20
Proceeds from sale of industrial properties | $		$ 59,130
Subsequent Events
Subsequent Event [Line Items]
Number of industrial properties sold | Property	3
Proceeds from sale of industrial properties | $	$ 18,345