Consolidated Statements of Changes In Stockholders' Equity - USD ($) $ in Thousands		Total	Restricted Stock Units (RSU)	Restricted Stock Awards	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Restricted Stock Units (RSU)	Additional Paid-In Capital Restricted Stock Awards	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Treasury Stock Restricted Stock Units (RSU)	Treasury Stock Restricted Stock Awards
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		25,239							25,239
Other Comprehensive Income (Loss)		7,448								7,448
Cash Dividends Paid		(13,602)							(13,602)
Stock Options Exercised, Net		166				97					69
Shares Issued Under the Directors' Stock Plan		377				255					122
Shares Issued Under the Employee Stock Purchase Plan		209				137					72
Shares Issued Related to Restricted Share Awards			$ 0	$ 0			$ (23)	$ (179)				$ 23	$ 179
Compensation expense related to Employee Stock Purchase Plan		21				21
Stock-Based Compensation Expense		206				206
Purchases of Treasury Stock	[1]	(6,525)									(6,525)
Ending balance at Sep. 30, 2024		393,311			22,067	413,065			77,429	(25,968)	(93,282)
Beginning balance at Jun. 30, 2024		383,018			22,067	412,917			72,980	(31,632)	(93,314)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		8,975
Other Comprehensive Income (Loss)		5,664								5,664
Cash Dividends Paid		(4,526)							(4,526)
Shares Issued Under the Directors' Stock Plan		121				83					38
Shares Issued Under the Employee Stock Purchase Plan		80				55					25
Shares Issued Related to Restricted Share Awards			0				(23)					23
Compensation expense related to Employee Stock Purchase Plan		8				8
Stock-Based Compensation Expense		25				25
Purchases of Treasury Stock	[1]	(54)									(54)
Ending balance at Sep. 30, 2024		393,311			22,067	413,065			77,429	(25,968)	(93,282)
Beginning balance at Dec. 31, 2024		400,901			22,067	413,476			77,215	(18,453)	(93,404)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		29,940							29,940
Other Comprehensive Income (Loss)		9,813								9,813
Cash Dividends Paid		(14,128)							(14,128)
Stock Options Exercised, Net		102				62					40
Shares Issued Under the Directors' Stock Plan		354				247					107
Shares Issued Under the Employee Stock Purchase Plan		244				165					79
Shares Issued Related to Restricted Share Awards			$ 0	$ 0			$ (22)	$ (342)				$ 22	$ 342
Compensation expense related to Employee Stock Purchase Plan		25				25
Stock-Based Compensation Expense		522				522
Purchases of Treasury Stock	[1]	(10,086)									(10,086)
Ending balance at Sep. 30, 2025		417,687			22,067	414,133			93,027	(8,640)	(102,900)
Beginning balance at Jun. 30, 2025		408,506			22,067	413,880			84,970	(10,889)	(101,522)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		12,825							12,825
Other Comprehensive Income (Loss)		2,249								2,249
Cash Dividends Paid		(4,768)							(4,768)
Shares Issued Under the Directors' Stock Plan		103				73					30
Shares Issued Under the Employee Stock Purchase Plan		79				55					24
Compensation expense related to Employee Stock Purchase Plan		8				8
Stock-Based Compensation Expense		117				117
Purchases of Treasury Stock	[1]	(1,432)									(1,432)
Ending balance at Sep. 30, 2025		$ 417,687			$ 22,067	$ 414,133			$ 93,027	$ (8,640)	$ (102,900)

[1] Cost of Treasury Stock includes the Stock Buyback Tax Under the Inflation Reduction Act of 2022.