CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Beginning Balance at Dec. 31, 2022	$ 295,558	$ 14,209	$ 227,727	$ 137,565	$ (60,257)	$ (24,260)	$ 574
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	8,277			8,281			(4)
Other comprehensive loss	(450)					(450)
Exercise of stock options	225	8	217
Purchase of treasury stock	(744)				(744)
Restricted stock grants		1	(1)
Stock based compensation	148		148
Dividends: Common Stock	(2,744)			(2,744)
Ending Balance at Mar. 31, 2023	300,270	14,218	228,091	143,102	(61,001)	(24,710)	570
Beginning Balance at Dec. 31, 2023	303,846	14,242	228,986	156,878	(71,484)	(25,322)	546
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	6,681			6,688			(7)
Other comprehensive loss	(1,720)					(1,720)
Exercise of stock options	69	3	66
Purchase of treasury stock	(335)				(335)
Restricted stock grants		3	(3)
Stock based compensation	138		138
Dividends: Common Stock	(2,769)			(2,769)
Ending Balance at Mar. 31, 2024	$ 305,910	$ 14,248	$ 229,187	$ 160,797	$ (71,819)	$ (27,042)	$ 539