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Balance sheet parenthetical (USD $)
In Thousands, except Share data
Jun. 30, 2011
Dec. 31, 2010
Assets    
Available-for-sale investment securities at amortized cost $ 638,667 $ 617,122
Held-to-maturity investment securities at Fair Value $ 2,955 $ 2,954
Stockholders' Equity:    
Preferred stock - Shares authorized 50,000 50,000
Preferred stock - Shares issued 18,000 39,000
Common stock - Shares authorized 24,000,000 24,000,000
Common stock - Shares issued 11,086,968 11,070,022
Treasury stock - shares 608,819 612,695