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CONDENSED CONSOLIDATED BALANCE SHEET (USD $) (Parenthetical) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Condensed Consolidated Balance Sheet Usd Parenthetical    
Cumulative Convertible Preferred Stock Series A; Par Value $ 0.01 $ 0.01
Cumulative Convertible Preferred Stock Series A; Shares Authorized 1,000,000 1,000,000
Cumulative Convertible Preferred Stock Series A; Issued Shares 510,000 510,000
Cumulative Convertible Preferred Stock Series A; Stock Outstanding 510,000 510,000
Cumulative Convertible Preferred Stock Series B; stated value $ 1,000 $ 1,000
Cumulative Convertible Preferred Stock Series B; cumulative dividend 7.50% 7.50%
Cumulative Convertible Preferred Stock Series B; Shares Authorized 4,000 4,000
Cumulative Convertible Preferred Stock Series B; Issued Shares 0 0
Cumulative Convertible Preferred Stock Series B; Stock Outstanding 0 0
Common Stock; Par Value $ 0.01 $ 0.01
Common Stock; Shares Authorized 200,000,000 200,000,000
Common Stock; Stock Issued 75,569,569 75,455,585
Common Stock; Stock Outstanding 75,569,569 75,455,585