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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) $ 0.10 $ 0.10
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares outstanding (in shares) 11,874,178 11,809,926
Treasury stock (in shares) 82,600 82,600