Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Equity Attributable to Parent [Member]	Noncontrolling interest in consolidated subsidiary [Member]
Beginning Balance at Dec. 31, 2023	$ 265,796	$ 369	$ 263,310	$ 4,843	$ (3,209)	$ 265,313	$ 483
Beginning Balance,shares at Dec. 31, 2023		37,340,700
Net income	5,726			5,726		5,726
Dividends declared	(2,845)			(2,845)		(2,845)
Exercise of stock options	11		11			11
Exercise of stock options, shares		1,777
Employee stock purchase plan, shares		5,674
Employee stock purchase plan	54	$ 0	54			54
Stock compensation amortization	202		202			202
Dissolution of Minority Interest	(483)					0	$ (483)
Other comprehensive income (loss)	(218)				(218)	(218)
Ending Balance at Mar. 31, 2024	268,243	$ 369	263,577	7,724	(3,427)	$ 268,243
Ending Balance, Shares at Mar. 31, 2024		37,348,151
Beginning Balance at Dec. 31, 2024	280,221	$ 370	264,449	19,947	(4,545)
Beginning Balance,shares at Dec. 31, 2024		37,370,917
Net income	15,343			15,343
Dividends declared	(2,783)			(2,783)
Employee stock purchase plan, shares		6,425
Employee stock purchase plan	45		45
Stock compensation amortization	377		377
Other comprehensive income (loss)	863				863
Ending Balance at Mar. 31, 2025	$ 294,066	$ 370	$ 264,871	$ 32,507	$ (3,682)
Ending Balance, Shares at Mar. 31, 2025		37,377,342