Commitments and Contingencies - Additional Information (Details) $ in Thousands, ft² in Millions	Mar. 31, 2020 USD ($) ft² Property
Other Commitments [Line Items]
Number of industrial properties | Property	436
Gross leasable area (GLA) of industrial properties | ft²	62.6
Development Activity
Other Commitments [Line Items]
Number of industrial properties | Property	9
Gross leasable area (GLA) of industrial properties | ft²	1.5
Estimated total investment | $	$ 154,400
Estimated total investment remaining to be funded | $	$ 82,000