Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Real Estate Dispositions, Held for Sale and Impairment Charges - Additional Information (Detail) - property
Mar. 31, 2021
Dec. 31, 2020
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