Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)

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CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement Of Stockholders Equity [Abstract]      
Dividends paid to stockholders, per share $ 1.36 $ 1.28 $ 1.16
New accounting pronouncement or change in accounting principle, effect of change on income taxes $ 6,054 $ 2,267