Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $)
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12 Months Ended | ||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Statement of Stockholders' Equity [Abstract] | |||
Cash dividends per share | $ 1.40 | $ 1.33 | $ 1.24 |
Number of common stock shares repurchased and returned to unissued status | 5,000 | ||
Exercise of stock options and related tax benefit, shares | 26,757 | 62,738 | 34,393 |
Effect of 10% stock dividend, shares | 988,664 | ||
Shares issued for dividend reinvestment plan, shares | 61,262 | 71,406 | 15,554 |
Shares issued for employee stock ownership plan, shares | 25,139 | 34,436 | |
Directors deferred compensation plan, shares | 3,080 | 2,418 | 4,842 |
Shares issued for Restricted stock, shares | 36,735 | 640 | 12,900 |
Stock issued for purchase acquisition, shares | 75,188 |
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of common stock issued as dividends during the period. Excludes stock splits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of stock issued during the period as a result of employee stock ownership plan (ESOP). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares related to Restricted Stock Award forfeited during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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