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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 150,000,000 150,000,000
Common stock, shares issued (in shares) 72,500,000 66,800,000
Treasury stock at cost (in shares) 5,300,000 3,800,000