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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Statement of Stockholders' Equity [Abstract] |  |  |  |
Cash dividends (in dollars per share) | $ 0.54 | $ 0.52 | $ 0.54 | $ 1.04
Net exercise of stock options (in shares) | 5,377 | 177 | 8,110 | 3,188
Common stock repurchased and returned to unissued status (in shares) | 80,004 |  | 101,535 | 71,288
Shares issued for dividend reinvestment plan (in shares) | 32 | 12,029 | 32 | 12,029
Directors deferred compensation plan (in shares) | 2,394 | 1,152 | (4,001) | 4,864
Restricted stock activity (in shares) | (2,317) | (5,695) | (5,213) | (8,060)

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