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Commitments and Contingencies - Additional Information (Details)
$ in Thousands, ft² in Millions
Dec. 31, 2019
USD ($)
ft²
Property
Other Commitments [Line Items]  
Outstanding amount of letters of credit and performance bonds in the aggregate $ 11,842
Number of industrial properties | Property 440
Gross leasable area (GLA) of industrial properties | ft² 61.3
Development Activity  
Other Commitments [Line Items]  
Number of industrial properties | Property 10
Gross leasable area (GLA) of industrial properties | ft² 2.1
Estimated total investment $ 208,200
Estimated total investment remaining to be funded $ 118,000