Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2019	$ 3,939	$ 55,089	$ 110,800	$ (629)	$ (14,425)	$ 154,774
Balance (in shares) at Dec. 31, 2019	3,938,668
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			25,103			25,103
Net other comprehensive income (loss)				3,216		3,216
Stock dividend	$ 38	1,878				0
Stock dividend			(1,916)
Stock dividend (in shares)	38,318
Stock issued for acquisition	$ 373	18,854				19,227
Stock issued for acquisition (in shares)	373,356
Purchase of treasury stock					(2,122)	(2,122)
Restricted stock, executive and Board of Director awards		(260)			408	148
Restricted stock vesting		326				326
Sale of treasury stock		1			125	126
Forfeited restricted stock		19			(19)	0
Cash dividend reinvestment paid from treasury stock		1	(821)		820	0
Cash dividends			(6,539)			(6,539)
Balance at Dec. 31, 2020	$ 4,350	75,908	126,627	2,587	(15,213)	194,259
Balance (in shares) at Dec. 31, 2020	4,350,342
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			29,118			29,118
Net other comprehensive income (loss)				(2,742)		(2,742)
Stock dividend	$ 39	2,313				0
Stock dividend			(2,352)
Stock dividend (in shares)	38,559
Purchase of treasury stock					(1,374)	(1,374)
Restricted stock, executive and Board of Director awards		(273)			444	171
Restricted stock vesting		443				443
Forfeited restricted stock		4			(4)	0
Cash dividends			(7,383)			(7,383)
Balance at Dec. 31, 2021	$ 4,389	78,395	146,010	(155)	(16,147)	212,492
Balance (in shares) at Dec. 31, 2021	4,388,901
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			29,060			29,060
Net other comprehensive income (loss)				(32,986)		(32,986)
Stock dividend	$ 39	2,521				0
Stock dividend			(2,560)
Stock dividend (in shares)	38,786
Purchase of treasury stock					(1,279)	(1,279)
Restricted stock, executive and Board of Director awards		(226)			370	144
Restricted stock vesting		192				192
Sale of treasury stock		6			106	112
Forfeited restricted stock		23			(23)	0
Cash dividends			(7,588)			(7,588)
Balance at Dec. 31, 2022	$ 4,428	$ 80,911	$ 164,922	$ (33,141)	$ (16,973)	$ 200,147
Balance (in shares) at Dec. 31, 2022	4,427,687