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Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2022
Dec. 31, 2021
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 0.10 $ 0.10
Preferred stock, shares authorized 100,000,000 100,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 14,391,000 14,157,000
Common stock, shares outstanding 9,584,000 9,788,000
Treasury stock, shares 4,807,000 4,370,000