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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2013
Redeemable Class A Junior Preferred Stock [Member]
Dec. 31, 2012
Redeemable Class A Junior Preferred Stock [Member]
Dec. 31, 2013
Redeemable Class B Senior Preferred Stock [Member]
Dec. 31, 2012
Redeemable Class B Senior Preferred Stock [Member]
Dec. 31, 2013
Class C Convertible Preferred Stock [Member]
Dec. 31, 2012
Class C Convertible Preferred Stock [Member]
Temporary Equity:            
Preferred shares, par value (in dollars per share) $ 0 $ 0.01 $ 0 $ 0.01 $ 0 $ 0.01
Preferred shares, shares authorized (in shares) 0 10,000 0 500,000 0 5,000
Preferred shares, shares issued (in shares) 0 10,000 0 75,000 0 5,000
Preferred shares, shares outstanding (in shares) 0 5,100 0 36,388 0 5,000