CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional paid-in capital	Retained earnings	Treasury stock	Accumulated other comprehensive (loss) income
Beginning balance (in shares) at Dec. 31, 2020		4,480,100
Beginning balances at Dec. 31, 2020	$ 80,867	$ 9,910	$ 1,393	$ 71,097	$ (4,169)	$ 2,636
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,876			2,876
Other comprehensive loss	(2,555)					(2,555)
Dividend reinvestment plan (in shares)		451
Dividend reinvestment plan	12		8		4
Cash dividends declared	(1,479)			(1,479)
Stock based compensation expense	92		92
Exercise of stock options (in shares)		500
Exercise of stock options	12	$ 1	11
Purchase of treasury stock (in shares)		(97)
Purchase of treasury stock	(2)				(2)
Ending balance (in shares) at Mar. 31, 2021		4,480,954
Ending balances at Mar. 31, 2021	79,823	$ 9,911	1,504	72,494	(4,167)	81
Beginning balance (in shares) at Dec. 31, 2021		4,493,655
Beginning balances at Dec. 31, 2021	84,341	$ 9,934	1,769	78,350	(4,160)	(1,552)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,482			2,482
Other comprehensive loss	(15,874)					(15,874)
Dividend reinvestment plan (in shares)		416
Dividend reinvestment plan	13		9		4
Cash dividends declared	(1,573)			(1,573)
Stock based compensation expense (in shares)		1,599
Stock based compensation expense	103	$ 3	100
Purchase of treasury stock (in shares)		(2,500)
Purchase of treasury stock	(75)				(75)
Ending balance (in shares) at Mar. 31, 2022		4,493,170
Ending balances at Mar. 31, 2022	$ 69,417	$ 9,937	$ 1,878	$ 79,259	$ (4,231)	$ (17,426)