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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares
3 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Retained Earnings [Member]            
Cash dividends declared on common stock (in dollars per share)         $ 0.30 $ 0.30
Cash dividends declared on common stock (in dollars per share) $ 0.31 $ 0.31 $ 0.31 $ 0.30