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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Common dividends declared, per share (in dollars per share) $ 0.27 $ 0.25 $ 0.54 $ 0.25
Repurchase of common shares, per share (in dollars per share) $ 28.03 $ 30.51 $ 28.96 $ 28.86