Quarterly report pursuant to Section 13 or 15(d)

Real Estate - Development/Redevelopment (Details)

v3.19.1
Real Estate - Development/Redevelopment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Real Estate Properties [Line Items]      
Properties under development or held for future development $ 97,288   $ 87,231
Real Estate Investment Property, at Cost 2,889,077   $ 2,886,585
Real estate impairment 8,374 $ 1,886  
The Trove [Member]      
Real Estate Properties [Line Items]      
Properties under development or held for future development 71,300    
Riverside Developments [Member]      
Real Estate Properties [Line Items]      
Properties under development or held for future development 23,300    
Spring Vally Retail Center [Member]      
Real Estate Properties [Line Items]      
Properties under development or held for future development 6,600    
Real Estate Investment Property, at Cost $ 4,300