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CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY (Unaudited) (Parentheticals) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Common Stock        
Cash dividends paid, per share $ 0.3125 $ 0.29 $ 0.625 $ 0.58