Deferred Charges, Goodwill And Other Assets (Summary Of Scheduled Amortization) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]      
2017 $ 2,759    
2018 2,884    
2019 2,849    
2020 2,818    
2021 2,880    
Above Market Leases [Member]      
Finite-Lived Intangible Assets [Line Items]      
2017 (1,068)    
2018 (691)    
2019 (574)    
2020 (386)    
2021 (298)    
Acquired Below-Market Lease Intangibles [Member]      
Finite-Lived Intangible Assets [Line Items]      
2017 3,827    
2018 3,575    
2019 3,423    
2020 3,204    
2021 3,178    
In-Place Leases [Member]      
Finite-Lived Intangible Assets [Line Items]      
2017     $ 7,869
2018     4,391
2019     4,069
2020     2,868
2021     2,785
Amortization expense $ 14,300 $ 1,400 $ 6,900