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Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Cumulative Redeemable Preferred stock, shares issued (in shares) 72,000 72,000
Cumulative Redeemable Preferred stock, shares outstanding (in shares) 72,000 72,000
Common stock, par value (in usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 40,000,000 40,000,000
Common stock, shares issued (in shares) 21,632,871 21,266,239
Common stock, shares outstanding (in shares) 21,632,871 21,266,239