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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
Repurchase and retirement of common stock (in shares) | 1,541,280 | 508,699
Cash dividends declared on common stock (in dollars per share) | $ 0.40 | $ 0.40

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