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Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Consolidated Statements Of Changes In Stockholders' Equity [Abstract]        
Dividends paid per share $ 0.30 $ 0.28 $ 0.60 $ 0.56