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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parentheticals) - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash dividends declared per common share | $ 0.24 | $ 0.24 | $ 0.24
Issuance of shares of common stock as s result of stock options exercised (in shares) | 60,317 | 41,650 | 59,393
Retained Earnings [Member] |  |  |
Cash dividends declared per common share | $ 0.24 | $ 0.24 | $ 0.24
Common Stock [Member] |  |  |
Repurchase and cancellation of common stock as a result of share repurchase program (in shares) | 293,153 | 100,932 |
Issuance of shares of common stock as a result of the acquisition, net of issuance cost (in shares) |  |  | 9,400

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