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Earnings Per Share (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Earnings Per Share [Abstract]        
Stock option weighted shares of common stock 48,919 78,418 63,643 96,671
Outstanding nonvested shares 905,205 925,254 922,280 1,057,452
Outstanding convertible debentures 7,082,000 7,082,000   7,082,000
Stock Options [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded 123,559 54,302 125,980 70,745
Convertible Debt Securities [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded     7,100,000