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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares | 6 Months Ended
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Jun. 30, 2015
Stock options exercised, shares | 525
Cash dividends (in Dollars per share) | $ 0.53
Common Stock [Member] |
Dividend reinvestment and purchase plan, shares | 9,754
Stock options exercised, shares | 400
Retained Earnings [Member] |
Cash dividends (in Dollars per share) | $ 0.53

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