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Commitments and Contingencies - Additional Information (Details)
$ in Thousands, ft² in Millions
Jun. 30, 2021
USD ($)
ft²
Property
Other Commitments [Line Items]  
Number of industrial properties | Property 427
Gross leasable area (GLA) of industrial properties | ft² 61.8
Development Activity  
Other Commitments [Line Items]  
Number of industrial properties | Property 13
Gross leasable area (GLA) of industrial properties | ft² 5.0
Estimated total investment | $ $ 500,900
Estimated total investment remaining to be funded | $ $ 300,500