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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Unbilled rent receivable related to properties held-for-sale in 2015   $ 712
Preferred stock, par value (in dollars per share) $ 1 $ 1
Preferred stock, shares authorized 12,500 12,500
Preferred stock, shares issued 0 0
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized 25,000 25,000
Common stock, shares issued 16,686 16,292
Common stock, shares outstanding 16,686 16,292
Line of credit    
Deferred financing costs $ 422 $ 506
Mortgages payable    
Deferred financing costs $ 3,948 $ 3,373