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Consolidated Balance Sheets (Parenthetical) - shares
Dec. 31, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Serial preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Serial preferred stock, shares issued (in shares) 0 0
Common stock, shares authorized (in shares) 60,000,000 60,000,000
Common stock, shares, issued (in shares) 27,148,000 27,148,000
Treasury stock, shares (in shares) 6,605,000 6,700,000