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Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]        
Dividends declared (in usd per share) $ 0.5125 $ 0.4625 $ 1.0250 $ 0.9250