Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
STOCKHOLDERS' EQUITY
Accounts receivable, allowance for credit losses	$ 503	$ 494
Common stock, par value	$ 2.50	$ 2.50
Common stock, shares authorized	8,000,000	8,000,000
Common stock, shares issued	5,299,370	5,299,370
Common stock, shares outstanding	3,754,498	3,754,498
Treasury stock, shares	1,544,872	1,544,872