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Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Consolidated Statement of Changes in Stockholders' Equity [Abstract] |  |  |
Percentage of stock dividend | 1.00% | 1.00% | 1.00%
Purchase of treasury stock (in shares) | 23,390 | 40,438 | 21,551
Cash dividends (in dollars per share) | $ 1.861 | $ 1.900 | $ 1.743

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