Business of Organization - Additional Information (Details) - property	Jun. 30, 2020	Dec. 31, 2019
Business And Organization [Line Items]
Percentage of operating partnership held	72.80%	72.60%
Operating Property
Business And Organization [Line Items]
Number of real estate properties	51
Development Property
Business And Organization [Line Items]
Number of real estate properties	3
General Partner
Business And Organization [Line Items]
Percentage of operating partnership held	0.10%