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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Statement of Stockholders' Equity [Abstract] |  |  |  |
Distribution of Shares of Treasury Stock for Employee Restricted Stock Awards (in shares) |  |  |  | 439
Distribution of shares of treasury stock grants for employee restricted stock awards (in shares) |  |  | 255 |
Cash dividends declared (in dollars per share) | $ 0.26 | $ 0.26 | $ 0.78 | $ 0.78
Distribution of shares of treasury stock for directors' compensation (in shares) |  |  | 7,923 | 8,465
Distribution of shares of treasury stock for employee stock compensation (in shares) |  |  | 2,274 | 2,373
Distribution of Shares of Treasury Stock for Deferred Directors’ Compensation (in shares) |  |  | 6,426 | 2,551
Purchase of shares of treasury stock (in shares) | 64,185 |  | 186,206 | 272
Sale of shares of treasury stock (in shares) | 18,202 | 2,485 | 32,387 | 10,250
Forfeitures of shares of restricted stock awards (in shares) |  |  | 112 |

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