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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (unaudited) (Parenthetical) - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Forfeiture of restricted stock award grants (in shares)   1,578
Restricted stock award grants (in shares) 56,159 50,106
Performance-based restricted stock award (in shares) 11,895 10,587
Purchase of treasury stock (in shares) 50,166  
Cash dividends declared (in dollars per share) $ 0.175 $ 0.170
Restricted Stock    
Purchase of treasury stock (in shares) 7,546 6,598
Performance Based Restricted Stock Awards    
Purchase of treasury stock (in shares) 4,706 941