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Property Dispositions and Discontinued Operations (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Disposal Group, Including Discontinued Operation, Income Statement Disclosures        
Revenues $ 0 $ 1,257 $ 0 $ 2,378
Expenses 0 (994) 0 (1,886)
Income from discontinued operations, net of tax $ 0 $ 263 $ 0 $ 492