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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Allowance for doubtful accounts $ 2,174 $ 1,808
Preferred Stock, Shares Authorized 5,000,000  
Preferred Stock, Shares Outstanding 141,827  
Common stock, par value $ 1.50 $ 1.50
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 24,934,981 24,934,981
Common stock, shares outstanding 24,934,981 24,934,981
Treasury stock, shares 4,216,044 4,381,606
Convertible Series A Preferred Stock    
Preferred Stock, Par value $ 0.01 $ 0.01
Preferred Stock, Shares Authorized 180,000 180,000
Preferred Stock, Shares Issued 135,000 135,000
Preferred Stock, Shares Outstanding 135,000 135,000