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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Treasury stock (in shares) 14,069 12,862  
Cash dividends, common stock (in dollars per share) $ 2.97 $ 2.77 $ 0.76
Class A Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Treasury stock (in shares) 522 522 522
Cash dividends, common stock (in dollars per share) $ 2.79 $ 2.62 $ 0.72