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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Retained Earnings |  |
Cash dividend per share (in dollars per share) | $ 0.17 | $ 0.17
Treasury Stock |  |
Purchase of common stock (in shares) | 648,851 | 159,307

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