Quarterly report pursuant to Section 13 or 15(d)

Real Estate - Additional Information (Details)

v3.20.2
Real Estate - Additional Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 07, 2019
USD ($)
a
Sep. 30, 2020
USD ($)
a
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
a
Sep. 30, 2019
USD ($)
Business Acquisition [Line Items]          
Depreciation expense   $ 2,790 $ 2,920 $ 8,589 $ 8,991
Impairment of assets held for sale   $ 0 $ 400 $ 600 $ 1,547
Harbor Point Land Parcel | Disposal Group, Disposed of by Sale, Not Discontinued Operations          
Business Acquisition [Line Items]          
Area of land | a 1.28        
Write-off of demolished property $ 0        
Berkley Shopping Center          
Business Acquisition [Line Items]          
Area of land | a   0.75   0.75