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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended
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Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018
Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) |  |  |  |
Stock Issued During Period, Shares, Acquisitions |  | 416,478 |  |
Business Acquisition, Share Price |  | $ 42.00 |  |
Cash dividends per share | $ 0.31 | $ 0.30 |  | $ 0.29
Net surrender of restricted stock awards |  |  | 1,029 |

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