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Consolidated Statement of Changes in Shareholders Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Restricted Stock Awards Shares | 11,000 | 10,150 | 10,000
Restricted Stock Awards, Net of Forfeiture | 778 | 1,575 | 350
Cash dividends declared, per share | $ 0.76 | $ 0.73 | $ 0.72
Common Stock |  |  |
Restricted Stock Awards Shares | 11,000 | 10,150 | 10,000
Restricted Stock Awards, Net of Forfeiture | 778 | 1,575 | 350
Treasury Stock |  |  |
Restricted Stock Awards Shares | 11,000 | 10,150 | 10,000
Restricted Stock Awards, Net of Forfeiture | 778 | 1,575 | 350
Unearned Stock Awards |  |  |
Restricted Stock Awards Shares | 11,000 | 10,150 | 10,000
Restricted Stock Awards, Net of Forfeiture | 778 | 1,575 | 350
Retained Earnings |  |  |
Restricted Stock Awards Shares | 11,000 | 10,150 | 10,000
Restricted Stock Awards, Net of Forfeiture | 778 | 1,575 | 350
Cash dividends declared, per share | $ 0.76 | $ 0.73 | $ 0.72

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