Consolidated Balance Sheets (Parenthetical) $ in Thousands	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Current assets:
Accounts receivable, less allowance for doubtful accounts | $	$ 2,416	$ 2,120
Stockholders’ equity
Preferred stock, par value in USD per share) | $ / shares	$ 1	$ 1
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share) | $ / shares	$ 1	$ 1
Common stock, shares authorized (in shares)	70,000,000	70,000,000
Common stock, shares issued (in shares)	47,738,290	47,535,618
Common stock, shares outstanding (in shares)	46,856,757	46,758,359
Treasury stock (in shares)	881,533	777,259