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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Statement of Stockholders' Equity [Abstract] |  |
Dividends declared per share (in dollars per share) | $ 0.19 | $ 0.18
Common stock issued in acquisition (in shares) |  | 4,933,115
Treasury stock issued for restricted awards, net of forfeitures (in shares) | 90,836 | 71,699
Forfeitures of restricted stock (in shares) | 0 | 3,685

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