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, 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)		$ 162,950
Net income					17,742			17,742
Other comprehensive income (loss)						(10,352)		(10,352)
Issuance of common stock through Employee Stock Purchase Plan (in shares)			7,294
Issuance of common stock through Employee Stock Purchase Plan				302				302
Re-issuance of common stock through Dividend Reinvestment Plan (in shares)			26,765
Re-issuance of common stock through Dividend Reinvestment Plan				193			$ 1,035	1,228
Issuance of common stock from vested restricted share grants through stock compensation plans (in shares)			24,442
Issuance of common stock from vested restricted share grants through stock compensation plans				0				0
Issuance of common stock through exercise of SSARs (in shares)			8,442
Issuance of common stock through exercise of SSARs				0	0	0	0	0
Stock-based compensation expense				1,321				1,321
Repurchase of shares to cover withholdings (in shares)			(1,386)
Repurchase of shares to cover withholdings							(68)	(239)
Cash dividends declared					(6,194)			(6,194)
Balance (in shares) at Sep. 30, 2023			5,696,351
Balance at Sep. 30, 2023				117,256	129,976	(81,504)		165,432
Balance (in shares) at Jun. 30, 2023			5,681,260
Balance at Jun. 30, 2023				116,959	126,711	(65,268)		177,744
Net income					5,340			5,340
Other comprehensive income (loss)						(16,236)		(16,236)
Re-issuance of common stock through Dividend Reinvestment Plan (in shares)			9,189
Re-issuance of common stock through Dividend Reinvestment Plan				57			362	419
Issuance of common stock from vested restricted share grants through stock compensation plans (in shares)			159
Issuance of common stock from vested restricted share grants through stock compensation plans				0				0
Issuance of common stock through exercise of SSARs (in shares)			5,743
Issuance of common stock through exercise of SSARs				0	0	0	0	0
Stock-based compensation expense				358				358
Repurchase of shares to cover withholdings (in shares)			0
Repurchase of shares to cover withholdings							0	(118)
Cash dividends declared					(2,075)			(2,075)
Balance (in shares) at Sep. 30, 2023			5,696,351
Balance at Sep. 30, 2023				117,256	129,976	(81,504)		165,432
Balance (in shares) at Dec. 31, 2023			5,703,636
Balance at Dec. 31, 2023				117,695	128,251	(56,467)	0	189,479
Net income					14,960			14,960
Other comprehensive income (loss)						8,015		8,015
Issuance of common stock through Employee Stock Purchase Plan (in shares)			6,764
Issuance of common stock through Employee Stock Purchase Plan				280				280
Re-issuance of common stock through Dividend Reinvestment Plan (in shares)			1,645
Re-issuance of common stock through Dividend Reinvestment Plan				4	0	0	79	83
Issuance of common stock from vested restricted share grants through stock compensation plans (in shares)			25,611
Issuance of common stock from vested restricted share grants through stock compensation plans				0
Stock-based compensation expense				1,133				1,133
Repurchase of shares to cover withholdings (in shares)			(1,606)
Repurchase of shares to cover withholdings				0	0	0	(79)	(79)
Cash dividends declared					(6,610)			(6,610)
Forfeited restricted dividend reinvestment shares (in shares)			(25)
Forfeited restricted dividend reinvestment shares				0	0	0	0	0
Balance (in shares) at Sep. 30, 2024			5,736,025
Balance at Sep. 30, 2024				119,112	136,601	(48,452)	0	207,261
Balance (in shares) at Jun. 30, 2024			5,735,728
Balance at Jun. 30, 2024				118,777	133,840	(56,925)	0	195,692
Net income					4,967			4,967
Other comprehensive income (loss)						8,473		8,473
Issuance of common stock from vested restricted share grants through stock compensation plans (in shares)			307
Issuance of common stock from vested restricted share grants through stock compensation plans				0	0	0	0	0
Stock-based compensation expense				335				335
Cash dividends declared					(2,206)			(2,206)
Forfeited restricted dividend reinvestment shares (in shares)			(10)
Forfeited restricted dividend reinvestment shares				0	0	0	0	0
Balance (in shares) at Sep. 30, 2024			5,736,025
Balance at Sep. 30, 2024				$ 119,112	$ 136,601	$ (48,452)	$ 0	$ 207,261