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Real Estate Properties (Details 2)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
USD ($)
property
building
Jun. 30, 2014
USD ($)
property
building
Jun. 30, 2015
USD ($)
property
building
Jun. 30, 2014
USD ($)
property
building
Real estate properties        
Number of properties that met the criteria for discontinued operations | property 3   3  
(Loss) income from discontinued operations $ (109) $ 741 $ (350) $ 2,041
MOBs        
Real estate properties        
Number of properties that met the criteria for discontinued operations | property 1 4 1 4
Number of buildings that met the criteria for discontinued operations | building 4 7 4 7
Rental income $ 24 $ 1,432 $ 56 $ 3,726
Property operating expenses (133) (691) (406) (1,685)
(Loss) income from discontinued operations $ (109) 741 $ (350) $ 2,041
Impairment of real estate   $ 602