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Consolidated Statements of Stockholders' Equity (Parenthetical) (unaudited) - $ / shares | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015
Consolidated Statements of Stockholders' Equity |  |
Cash dividend declared (in dollars per share) | $ 0.46 | $ 0.46
Shares issued in the acquisition of Community National Bank (in shares) |  | 5,647,268

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