Quarterly report pursuant to Section 13 or 15(d)

Properties, Net (Details 4)

v3.3.0.814
Properties, Net (Details 4)
ft² in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Aug. 07, 2015
USD ($)
ft²
Apr. 15, 2015
USD ($)
ft²
Mar. 19, 2015
USD ($)
ft²
Sep. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Business Acquisition [Line Items]          
Weighted average useful life         10 years
Tenant relationship value          
Business Acquisition [Line Items]          
Weighted average useful life         11 years
Below-market cost arrangements          
Business Acquisition [Line Items]          
Weighted average useful life         35 years
2015 Acquisitions          
Business Acquisition [Line Items]          
Land       $ 55,076 $ 55,076
Building and improvements       139,520 139,520
Intangible assets on real estate acquisitions       75,846 75,846
Total assets       270,442 270,442
Below-market leases       (6,820) (6,820)
Total acquisition cost       263,622 263,622
Finite-lived intangible assets acquired         $ 75,846
Weighted average useful life         10 years
Revenues       6,900 $ 11,200
Contributions to net income from continuing operations       487 697
Operating property acquisition costs       $ 2,700 4,100
2015 Acquisitions | Tenant relationship value          
Business Acquisition [Line Items]          
Finite-lived intangible assets acquired         $ 31,208
Weighted average useful life         12 years
2015 Acquisitions | In-place lease value          
Business Acquisition [Line Items]          
Finite-lived intangible assets acquired         $ 35,231
Weighted average useful life         7 years
2015 Acquisitions | Above market leases          
Business Acquisition [Line Items]          
Finite-lived intangible assets acquired         $ 6,720
Weighted average useful life         4 years
2015 Acquisitions | Below-market cost arrangements          
Business Acquisition [Line Items]          
Finite-lived intangible assets acquired         $ 2,687
Weighted average useful life         40 years
250 W Pratt St | Baltimore, Maryland          
Business Acquisition [Line Items]          
Square footage of real estate properties (in square feet) | ft²     367    
Acquired property percentage leased     96.20%    
Total acquisition cost     $ 61,900    
2600 Park Tower Drive | Northern Virginia          
Business Acquisition [Line Items]          
Square footage of real estate properties (in square feet) | ft²   237      
Acquired property percentage leased   100.00%      
Total acquisition cost   $ 80,500      
100 and 30 Light Street | Baltimore, Maryland          
Business Acquisition [Line Items]          
Square footage of real estate properties (in square feet) | ft² 558        
Acquired property percentage leased 93.50%        
Total acquisition cost $ 121,200        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 55,000        
Estimated fair value $ 55,500