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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
COMMON STOCK    
New common shares issued for exercise of stock options, shares 27,584 8,856
CAPITAL SURPLUS    
New common shares issued for exercise of stock options, shares 27,584 8,856
RETAINED EARNINGS    
Cash dividend declared per common share $ 0.025 $ 0.025