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Consolidated Statements of Changes in Stockholder's Equity (Unaudited) (Parentheticals) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Cash dividends per share (in dollars per share) $ 0.31 $ 0.31 $ 0.31 $ 0.31
Shares of restricted stock awards surrendered (in shares)     2,479 1,904
Acquisition, shares issued (in shares)     795,423  
Shares issued, price per share (in dollars per share) $ 47.75   $ 47.75