Discontinued Operations - Summary of Results of Discontinued Operations (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
Property
Sep. 30, 2014
USD ($)
Property
Sep. 30, 2015
USD ($)
Property
Sep. 30, 2014
USD ($)
Property
Revenues:        
Rent $ 56 $ 300 $ 391 $ 917
Non-cash rent 0 27 0 0
Other 1 3 17 2,953
Total revenues 57 330 408 3,870
Expenses:        
General and administrative 1 1 3 13
Property costs 97 41 281 236
Impairments 0 0 34 0
Total expenses 98 42 318 249
(Loss) income from discontinued operations (41) 288 90 3,621
Gain on disposition of assets 0 403 590 488
(Loss) income from discontinued operations $ (41) $ 691 $ 680 $ 4,109
Number of properties disposed of during period | Property 0 1 2 6