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Consolidated Statements of Changes in Stockholder's Equity (Unaudited) (Parentheticals) - $ / shares
3 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Mar. 31, 2021
Shares of restricted stock awards surrendered (in shares) 113 2,336 1,404 1,711
Cash dividends per share (in dollars per share) $ 0.31 $ 0.31 $ 0.31 $ 0.31
Acquisition, shares issued (in shares)   795,423    
Shares issued, price per share (in dollars per share)   $ 47.75