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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parentheticals) - $ / shares
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Cash dividends declared per common share $ 0.06     $ 0.06    
Repurchase and cancellation of common stock as a result of share repurchase program (in shares) 193,153 100,000       100,932
Common Stock [Member]            
Cash dividends declared per common share $ 0.06 $ 0.06 $ 0.06 $ 0.06 $ 0.06 $ 0.06