XML 63 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1
Investments in and Advances to Unconsolidated Affiliates - Core Portfolio (Details)
$ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended
May 01, 2017
USD ($)
Jan. 31, 2017
USD ($)
ft²
Apr. 29, 2016
USD ($)
Jun. 30, 2017
USD ($)
ft²
property
Dec. 31, 2016
USD ($)
Jan. 31, 2016
ft²
Schedule of Equity Method Investments [Line Items]            
Purchase Price       $ 79,712 $ 756,842  
Notes receivable, net       249,848 276,163  
Brandywine Market Square            
Schedule of Equity Method Investments [Line Items]            
Notes receivable, net $ 153,400          
Core Portfolio            
Schedule of Equity Method Investments [Line Items]            
Purchase Price         519,592  
Notes receivable, net       198,395 216,400  
Equity method investments       $ 178,074 165,031  
Core Portfolio | Crossroads            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage       49.00%    
Square footage of real estate property (in square feet) | ft²       311,000    
Core Portfolio | Georgetown Portfolio            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage       50.00%    
Square footage of real estate property (in square feet) | ft²       28,000    
Equity method investments       $ 3,724 4,287  
Core Portfolio | Gotham Plaza            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage       49.00%    
Square footage of real estate property (in square feet) | ft²           123,000
Percentage of voting interests acquired           49.00%
Equity method investments       $ 29,321 29,421  
Core Portfolio | Renaissance Portfolio            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage       20.00%    
Square footage of real estate property (in square feet) | ft²       213,000    
Percentage of voting interests acquired   20.00%        
Number of businesses acquired | property       18    
Equity method investments       $ 35,783 36,437  
Core Portfolio | Brandywine Portfolio            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage       22.22%    
Square footage of real estate property (in square feet) | ft²       1,000,000    
Repayments of debt     $ 140,000      
Equity method investments       $ 14,791 15,286  
Core Portfolio | Brandywine Market Square            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage 61.11%     61.11%    
Note receivable exchanged $ 16,000          
Note receivable accrued interest $ 300     $ 300    
Equity method investment, ownership percentage by third party 38.89%          
Equity method investments $ 16,600     $ 21,984 $ 5,469  
Gain on equity method investment $ 9,800          
Core Portfolio | Chicago, IL            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage       88.43%    
Square footage of real estate property (in square feet) | ft²       87,000    
Core Portfolio | Alexandria, Virginia | Renaissance Portfolio            
Schedule of Equity Method Investments [Line Items]            
Square footage of real estate property (in square feet) | ft²   6,200        
Purchase Price   $ 3,000        
Number of businesses acquired | property       2    
Core Portfolio | Washington D.C. | Renaissance Portfolio            
Schedule of Equity Method Investments [Line Items]            
Number of businesses acquired | property       16