Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock Outstanding [Member]	Common Stock Including Additional Paid in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2021			5,645,687
Balance at Dec. 31, 2021				$ 114,108	$ 97,442	$ 179		$ 211,729
Net income					7,522			7,522
Other comprehensive income (loss)						(42,676)		(42,676)
Issuance of common stock through Employee Stock Purchase Plan (in shares)			4,891
Issuance of common stock through Employee Stock Purchase Plan				252				252
Issuance of common stock from vested restricted share grants through stock compensation plans (in shares)			8,490
Issuance of common stock from vested restricted share grants through stock compensation plans				0				0
Stock-based compensation expense				306				306
Cash dividends declared					(1,890)			(1,890)
Balance (in shares) at Mar. 31, 2022			5,659,068
Balance at Mar. 31, 2022				114,666	103,074	(42,497)		175,243
Balance (in shares) at Dec. 31, 2022			5,630,794
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022	$ (1,326)	$ (1,326)
Balance at Dec. 31, 2022				115,611	119,754	(71,152)	$ (1,263)	162,950
Net income					7,040			7,040
Other comprehensive income (loss)						8,214		8,214
Issuance of common stock through Employee Stock Purchase Plan (in shares)			7,294
Issuance of common stock through Employee Stock Purchase Plan				302				302
Issuance of common stock from vested restricted share grants through stock compensation plans (in shares)			20,449
Issuance of common stock from vested restricted share grants through stock compensation plans				0
Stock-based compensation expense				445				445
Cash dividends declared					(2,052)			(2,052)
Re-issuance of common stock through Dividend Reinvestment Plan (in shares)			8,104
Re-issuance of common stock through Dividend Reinvestment Plan				79			303	382
Repurchase of shares to cover withholdings (in shares)			(1,386)
Repurchase of shares to cover withholdings							(68)	(68)
Balance (in shares) at Mar. 31, 2023			5,665,255
Balance at Mar. 31, 2023				$ 116,437	$ 123,416	$ (62,938)	$ (1,028)	$ 175,887