Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Shares	Paid-in Capital	Retained Earnings Adoption of ASU 2016-13 (CECL)	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Adoption of ASU 2016-13 (CECL)	Total
Balance (in shares) at Dec. 31, 2020	15,982,815
Balance (in shares) at Dec. 31, 2020		70,831
Balance, beginning of period at Dec. 31, 2020	$ 15,983	$ (1,369)	$ 143,644		$ 129,703	$ 11,795		$ 299,756
Net Income (Loss)					30,554			30,554
Other comprehensive loss, net						(6,769)		(6,769)
Cash dividends declared on common stock					(17,645)			(17,645)
Shares issued for dividend reinvestment plan (in shares)	36,368	(31,877)
Shares issued for dividend reinvestment plan	$ 36	$ 788	845					$ 1,669
Shares issued from treasury and redeemed related to exercise of stock options (in shares)		(13,169)						(22,429)
Shares issued from treasury and redeemed related to exercise of stock options		$ 245	(33)					$ 212
Restricted stock granted (in shares)	10,989	(67,402)
Restricted stock granted	$ 11	$ 1,308	(1,319)					0
Forfeiture of restricted stock (in shares)		5,290
Forfeiture of restricted stock		$ (102)	102					0
Stock-based compensation expense			1,214					1,214
Purchase of restricted stock for tax withholding (in shares)		8,350
Purchase of restricted stock for tax withholding		$ (174)						(174)
Treasury stock purchases (in shares)		299,059
Treasury stock purchases		$ (7,412)						(7,412)
Balance (in shares) at Dec. 31, 2021	16,030,172
Balance (in shares) at Dec. 31, 2021		271,082
Balance, end of period at Dec. 31, 2021	$ 16,030	$ (6,716)	144,453		142,612	5,026		301,405
Net Income (Loss)					26,618			26,618
Other comprehensive loss, net						(54,904)		(54,904)
Cash dividends declared on common stock					(17,487)			(17,487)
Shares issued for dividend reinvestment plan (in shares)		(65,470)
Shares issued for dividend reinvestment plan		$ 1,614	8					$ 1,622
Shares issued from treasury and redeemed related to exercise of stock options (in shares)		(9,178)						(13,654)
Shares issued from treasury and redeemed related to exercise of stock options		$ 227	(67)					$ 160
Restricted stock granted (in shares)		(78,243)
Restricted stock granted		$ 1,932	(1,932)					0
Forfeiture of restricted stock (in shares)		10,782
Forfeiture of restricted stock		$ (228)	228					0
Stock-based compensation expense			1,260					1,260
Purchase of restricted stock for tax withholding (in shares)		6,964
Purchase of restricted stock for tax withholding		$ (175)						(175)
Treasury stock purchases (in shares)		375,416
Treasury stock purchases		$ (9,174)						$ (9,174)
Balance (in shares) at Dec. 31, 2022	16,030,172
Balance (in shares) at Dec. 31, 2022		511,353						511,353
Balance, end of period at Dec. 31, 2022	$ 16,030	$ (12,520)	143,950		151,743	(49,878)		$ 249,325
Net Income (Loss)					24,148			24,148
Other comprehensive loss, net						11,441		11,441
Cash dividends declared on common stock					(17,211)			(17,211)
Shares issued for dividend reinvestment plan (in shares)		(81,930)
Shares issued for dividend reinvestment plan		$ 1,888	(246)					$ 1,642
Shares issued from treasury and redeemed related to exercise of stock options (in shares)		(612)						(8,288)
Shares issued from treasury and redeemed related to exercise of stock options		$ 30	(30)					$ 0
Restricted stock granted (in shares)		(53,788)
Restricted stock granted		$ 1,314	(1,314)					0
Forfeiture of restricted stock (in shares)		25,261
Forfeiture of restricted stock		$ (556)	556					0
Stock-based compensation expense			1,472					1,472
Purchase of restricted stock for tax withholding (in shares)		9,453
Purchase of restricted stock for tax withholding		$ (219)						(219)
Treasury stock purchases (in shares)		325,300
Treasury stock purchases		$ (6,565)						$ (6,565)
Balance (in shares) at Dec. 31, 2023	16,030,172
Balance (in shares) at Dec. 31, 2023		735,037						735,037
Balance, end of period at Dec. 31, 2023	$ 16,030	$ (16,628)	$ 144,388	$ (1,652)	$ 157,028	$ (38,437)	$ (1,652)	$ 262,381