Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands		Total	Restricted Stock Units	Restricted Stock Awards	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Restricted Stock Units	Additional Paid-In Capital Restricted Stock Awards	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Treasury Stock Restricted Stock Units	Treasury Stock Restricted Stock Awards
Beginning balance at Dec. 31, 2021		$ 371,186			$ 20,800	$ 377,996			$ 54,078	$ 347	$ (82,035)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		48,799							48,799
Other Comprehensive Income (Loss)		(50,002)								(50,002)
Stock Dividend		0			624	19,408			(20,032)
Cash Dividends Paid	[1]	(17,444)							(17,444)
Shares Issued for Stock Option Exercises, net		631				384					247
Shares Issued Under the Directors' Stock Plan		408				295					113
Shares Issued Under the Employee Stock Purchase Plan		477				344					133
Shares Issued for Dividend Reinvestment Plans		1,904				1,392					512
Stock-Based Compensation Expense		451				451
Purchases of Treasury Stock		(2,872)									(2,872)
Ending 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		30,075							30,075
Other Comprehensive Income (Loss)		16,239								16,239
Stock Dividend		0			643	11,058			(11,701)
Cash Dividends Paid	[1]	(17,983)							(17,983)
Shares Issued for Stock Option Exercises, net		96				58					38
Shares Issued Under the Directors' Stock Plan		218				143					75
Shares Issued Under the Employee Stock Purchase Plan		120				87					33
Shares Issued for Dividend Reinvestment Plans		472				330					142
Stock-Based Compensation Expense		605				605
Purchases of Treasury Stock		(3,608)									(3,608)
Ending 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		29,709							29,709
Other Comprehensive Income (Loss)		14,963								14,963
Cash Dividends Paid		(18,286)							(18,286)
Shares Issued for Stock Option Exercises, net		433				280					153
Shares Issued Under the Directors' Stock Plan		495				338					157
Shares Issued Under the Employee Stock Purchase Plan		291				195					96
Shares Issued Related to Restricted Shares			$ 0	$ 0			$ (23)	$ (179)				$ 23	$ 179
Compensation expense related to Employee Stock Purchase Plan		30				30
Stock-Based Compensation Expense		284				284
Purchases of Treasury Stock		(6,790)									(6,790)
Ending balance at Dec. 31, 2024		$ 400,901			$ 22,067	$ 413,476			$ 77,215	$ (18,453)	$ (93,404)

[1] 4 When applicable the 2022 and 2023 Cash Dividends Paid per share have been adjusted for the September 26, 2023 3% stock dividend.