Quarterly report pursuant to Section 13 or 15(d)

Real Estate - Variable Interest Entities (Details)

v3.3.0.814
Real Estate - Variable Interest Entities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Real Estate Properties [Line Items]          
Real estate impairment $ 0 $ 0 $ 5,909 $ 0  
Land 572,880   572,880   $ 543,546
Mortgage notes payable $ 419,293   $ 419,293   418,525
First Street 1225 [Member]          
Real Estate Properties [Line Items]          
Variable interest entity, qualitative or quantitative information, ownership percentage     95.00%    
Noncontrolling interest, ownership percentage by noncontrolling owners 5.00%   5.00%    
Six Fifty North Glebe Road [Member]          
Real Estate Properties [Line Items]          
Variable interest entity, qualitative or quantitative information, ownership percentage     90.00%    
Noncontrolling interest, ownership percentage by noncontrolling owners 10.00%   10.00%    
650 N Glebe [Member] [Domain]          
Real Estate Properties [Line Items]          
Mortgage notes payable $ 31,707   $ 31,707   27,690
First Street 1225 [Member]          
Real Estate Properties [Line Items]          
Purchase and sale agreement, Sale Price 14,500   14,500    
Real estate impairment     5,900    
Land and capitalized development costs related to joint ventures         20,807
Six Fifty North Glebe Road [Member]          
Real Estate Properties [Line Items]          
Land 12,851   12,851   12,851
Investment Building and Building Improvements 37,914   37,914   18,432
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (1,767)   (1,767)   0
Land and capitalized development costs related to joint ventures 0   0   17,947
Other Assets 765   765   0
Real Estate Investments, Joint Ventures 49,763   49,763   49,230
Construction Payable 669   669   2,196
Accrued Liabilities 66   66   17
Accounts payable and accrued liabilities related to joint ventures $ 32,442   $ 32,442   $ 29,903