Quarterly report pursuant to Section 13 or 15(d)

Real Estate Dispositions, Held for Sale and Impairment Charges - Additional Information (Detail)

v3.21.2
Real Estate Dispositions, Held for Sale and Impairment Charges - Additional Information (Detail)
6 Months Ended
Jun. 30, 2021
USD ($)
property
Jun. 30, 2020
USD ($)
tenant
Dec. 31, 2020
property
Real Estate Properties [Line Items]      
Number of real estate properties, held for sale 0    
Impairment charge | $ $ 0 $ 1,700,000  
Boston Heights, Ohio; Rancho Cordova, California; Champaign, Illinois      
Real Estate Properties [Line Items]      
Number of real estate properties, held for sale     3
Rancho Cordova, California and Champaign, Illinois      
Real Estate Properties [Line Items]      
Number of properties sold 2    
Blaine, Minnesota      
Real Estate Properties [Line Items]      
Number of properties impaired | tenant   1