Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive 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	26,209			26,209		26,209
Dividends declared	(11,105)			(11,105)		(11,105)
Exercise of stock options	14		14			14
Exercise of stock options, shares		2,377
Employee stock purchase plan	153	$ 1	152			153
Employee stock purchase plan, shares		30,199
Stock compensation amortization	988		988			988
Dissolution of Minority Interest	(483)						$ (483)
Retirement of restricted shares	(15)		(15)			(15)
Retirement of restricted shares, shares		(2,359)
Other comprehensive income (loss)	(1,336)				(1,336)	(1,336)
Ending Balance at Dec. 31, 2024	280,221	$ 370	264,449	19,947	(4,545)	$ 280,221
Ending Balance, Shares at Dec. 31, 2024		37,370,917
Net income	33,511			33,511
Dividends declared	(11,158)			(11,158)
Employee stock purchase plan	209		209
Employee stock purchase plan, shares		30,833
Issuance of common stock including proceeds from exercise of common stock compensation plans , shares		58,461
Issuance of common stock including proceeds from exercise of common stock compensation plans	79		79
Stock compensation amortization	1,412		1,412
Retirement of restricted shares	(59)		(59)
Retirement of restricted shares, shares		(2,297)
Other comprehensive income (loss)	2,217				2,217
Ending Balance at Dec. 31, 2025	$ 306,432	$ 370	$ 266,090	$ 42,300	$ (2,328)
Ending Balance, Shares at Dec. 31, 2025		37,457,914