XML 78 R64.htm IDEA: XBRL DOCUMENT v3.3.1.900
Mortgage Loans Payable And Unsecured Credit Facilities (Schedule Of Principal Payments On Mortgage Loans Payable And Credit Facility) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Mortgage Loans Payable And Unsecured Credit Facilities [Abstract]    
2016 $ 129,284,000  
2017 63,560,000  
2018 20,821,000  
2019 [1] 155,725,000  
2020 111,545,000  
Thereafter 196,087,000  
Long-term debt 677,022,000  
Mortgage loans subject to one-year extension option $ 78,000,000 $ 72,000,000
Period of extension option 1 year  
[1] Includes $78.0 million applicable to the unsecured revolving credit facility, subject to a one-year extension option.