Annual report pursuant to Section 13 and 15(d)

Segment Information - Segments (Details)

v3.19.3.a.u2
Segment Information - Segments (Details)
12 Months Ended
Dec. 31, 2019
property
segment
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 2    
Number of retail properties sold | property 8    
Reportable segments | Multifamily      
Segment Reporting Information [Line Items]      
Real estate rental revenue as a percentage of total 0.41 0.33 0.34
Percentage of total income producing real estate assets 0.50 0.36  
Reportable segments | Office      
Segment Reporting Information [Line Items]      
Real estate rental revenue as a percentage of total 0.53 0.61 0.60
Percentage of total income producing real estate assets 0.45 0.58  
Corporate and other      
Segment Reporting Information [Line Items]      
Real estate rental revenue as a percentage of total 0.06 0.06 0.06
Percentage of total income producing real estate assets 0.05 0.06