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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Allowance for doubtful accounts $ 2,552 $ 2,901
Common stock, par value $ 1.5 $ 1.5
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 Common Shares 3,792,091 3,948,316
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