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Impact of COVID-19 (Details)
$ in Millions
 1 Months Ended 3 Months Ended 8 Months Ended
Oct. 31, 2020
Sep. 30, 2020
USD ($)
Oct. 31, 2020
tenant
Subsequent Event [Line Items]      
Percent of tenants reopened (more than)   95.00%  
Rent billings collected (as a percent)   92.00%  
Amount of rent deferred | $   $ 5.6  
Subsequent Event      
Subsequent Event [Line Items]      
Rent billings collected (as a percent) 92.00%    
Rent deferral agreement, number of tenants | tenant     300