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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Consolidated Statements of Changes in Stockholders' Equity            
Dividends declared (in dollars per share) $ 0.40 $ 0.39 $ 0.39 $ 0.38 $ 0.37 $ 0.37
Restricted stock issued, shares   4,071 12,332     9,192
Share retirement, shares 7,911 6,853 6,714 25,699 7,828 13,101
Unearned income   $ 210 $ 210     $ 182