Consolidated Statements of Changes In Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2022		$ 353,538	$ 21,424	$ 400,270	$ 65,401	$ (49,655)	$ (83,902)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		8,562			8,562
Other Comprehensive Income		5,672				5,672
Cash Dividends Paid	[1]	(4,464)			(4,464)
Stock Options Exercised, Net		83		50			33
Shares Issued Under the Directors' Stock Plan		114		85			29
Shares Issued Under the Employee Stock Purchase Plan		120		87			33
Shares Issued for Dividend Reinvestment Plans		472		330			142
Stock-Based Compensation Expense		122		122
Purchases of Treasury Stock		(848)					(848)
Ending balance at Mar. 31, 2023		363,371	21,424	400,944	69,499	(43,983)	(84,513)
Beginning balance at Dec. 31, 2023		379,772	22,067	412,551	65,792	(33,416)	(87,222)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		7,660			7,660
Other Comprehensive Income		702				702
Cash Dividends Paid		(4,565)			(4,565)
Stock Options Exercised, Net		116		67			49
Shares Issued Under the Directors' Stock Plan		128		89			39
Shares Issued Under the Employee Stock Purchase Plan		51		33			18
Compensation expense related to Employee Stock purchase Plan		5		5
Stock-Based Compensation Expense		78		78
Purchases of Treasury Stock		(5,961)					(5,961)
Ending balance at Mar. 31, 2024		$ 377,986	$ 22,067	$ 412,823	$ 68,887	$ (32,714)	$ (93,077)

[1] Cash dividends paid per share have been adjusted for the September 26, 2023 3% stock dividend.