XML 56 R42.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)
 12 Months Ended
Jan. 23, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]        
Purchase price of acquired property   $ 42,991,000 $ 38,861,000 $ 32,818,000
Depreciation expense   35,000,000 35,000,000 41,100,000
Cash at consolidated joint ventures   200,000 800,000  
Allowance for doubtful accounts receivable   4,400,000 4,300,000  
Provision for doubtful accounts included in operating, maintenance and management expenses   $ 1,400,000 $ 1,900,000 $ 1,800,000
2012 Stock Incentive Plan [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Maximum number of shares may be issued under the plan   4,500,000    
Maximum number of shares to be granted per year to a participant   500,000    
Variable Interest Entity, Primary Beneficiary [Member] | Other Ownership Interest [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Ownership percentage   60.00%    
VIE real estate owned carrying value   $ 39,900,000    
VIE mortgage payable   $ 0    
Minimum [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Real estate investments useful life   3 years    
Maximum [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Real estate investments useful life   40 years    
New London Mall [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Percentage of joint venture ownership 100.00%      
Acquired ownership percentage in joint venture 60.00%      
Amount of purchase price paid in cash $ 10,900,000      
Amount of purchase price representing 60% share of in-place mortgage financing $ 16,400,000      
Percentage of share of in-place mortgage financing 60.00%      
Investments in and advances to unconsolidated joint ventures $ 27,300,000      
New London Mall [Member] | New London Joint Venture [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Acquired ownership percentage in joint venture 60.00%      
San Souci Plaza [Member] | General Partner [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Ownership percentage   40.00%