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Unaudited Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]        
Cash dividends declared per share (in dollars per share) $ 0.32 $ 0.29 $ 0.63 $ 0.58