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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Common dividends declared, per share (in dollars per share) | $ 0.29 | $ 0.27
Common stock options exercised, shares (in shares) | 2,158 | 4,536
Issuance of stock to 401(k) plan, shares (in shares) | 262 | 6,082
Repurchase of common shares, shares (in shares) |  | 132,000
Repurchase of common shares, per share (in dollars per share) |  | $ 30.96

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