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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]    
Purchase and retirement of common stock (shares) 1,203,050 1,476,963
Cash dividends declared on common stock (usd per share) $ 0.4 $ 0.37