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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) (Parenthetical) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]        
Cash dividends declared, per share $ 0.34 $ 0.30 $ 1.02 $ 0.90