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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Statement of Stockholders' Equity [Abstract] |  |  |  |
Cash dividends (in dollars per share) | $ 0.50 | $ 0.48 | $ 1.50 | $ 1.44
Net exercise of stock options (in shares) | 2,902 | 5,293 | 15,201 | 10,136
Common stock repurchased and returned to unissued status (in shares) | 185,107 |  | 340,200 | 15,500
Shares issued for employee stock ownership plan (in shares) |  |  |  | 38,883
Directors deferred compensation plan (in shares) | 2,027 | 1,967 | 347 | 527
Restricted stock activity (in shares) | 2,764 | 10,078 | 11,628 | 21,218

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