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Consolidated Balance Sheets [Parenthetical] - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Allowance for credit losses (in dollars) $ 508 $ 709
Preferred stock, par value (in dollars per share) $ 1.00 $ 1.00
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.10 $ 0.10
Common stock, shares authorized (in shares) 25,000,000 25,000,000
Common stock, shares outstanding (in shares) 12,405,151 12,546,375
Treasury stock (in shares) 893,293 704,880
Class B Convertible Common Stock    
Common stock, par value (in dollars per share) $ 0.10 $ 0.10
Common stock, shares authorized (in shares) 3,000,000 3,000,000
Common stock, shares outstanding (in shares) 1,022,887 1,022,887