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Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) (USD $)
3 Months Ended
Mar. 31, 2013
Dividends on common stock (in dollars per share) $ 0.04
Restricted stock grants, shares 531,110
Forfeitures of restricted stock, shares 38,902
Preferred Stock
 
Issuance of Preferred Stock, Series C, shares 135,000