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CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY [Abstract] |  |  |  |
Purchase of treasury stock (in shares) | 18,584 | 5,554 | 18,697 | 14,756
Restricted stock (in shares) | 4,544 | 5,331 | 4,623 | 5,419
Sale of treasury stock to employees (in shares) | 1,060 |  | 1,060 |
Forfeited restricted stock (in shares) |  |  | 39 |
Cash dividends (in dollars per share) | $ 0.470 | $ 0.456 | $ 0.941 | $ 0.912

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