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	5,867			5,867
Other comprehensive income (loss)	(1,635)					(1,635)
Dividend reinvestment plan (in shares)		718
Dividend reinvestment plan	21		15		6
Cash dividends declared	(2,958)			(2,958)
Stock based compensation expense (in shares)		2,152
Stock based compensation expense	183	$ 4	179
Exercise of stock options (in shares)		1,000
Exercise of stock options	24	$ 2	22
Purchase of treasury stock (in shares)		(97)
Purchase of treasury stock	(2)				(2)
Ending balance (in shares) at Jun. 30, 2021		4,483,873
Ending balances at Jun. 30, 2021	82,367	$ 9,916	1,609	74,006	(4,165)	1,001
Beginning balance (in shares) at Mar. 31, 2021		4,480,954
Beginning balances at Mar. 31, 2021	79,823	$ 9,911	1,504	72,494	(4,167)	81
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,991			2,991
Other comprehensive income (loss)	920					920
Dividend reinvestment plan (in shares)		267
Dividend reinvestment plan	9		7		2
Cash dividends declared	(1,479)			(1,479)
Stock based compensation expense (in shares)		2,152
Stock based compensation expense	91	$ 4	87
Exercise of stock options (in shares)		500
Exercise of stock options	12	$ 1	11
Ending balance (in shares) at Jun. 30, 2021		4,483,873
Ending balances at Jun. 30, 2021	82,367	$ 9,916	1,609	74,006	(4,165)	1,001
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	5,413			5,413
Other comprehensive income (loss)	(26,847)					(26,847)
Dividend reinvestment plan (in shares)		928
Dividend reinvestment plan	28		20		8
Cash dividends declared	(3,146)			(3,146)
Stock based compensation expense (in shares)		2,879
Stock based compensation expense	236	$ 6	230
Purchase of treasury stock (in shares)		(2,650)
Purchase of treasury stock	(79)				(79)
Ending balance (in shares) at Jun. 30, 2022		4,494,812
Ending balances at Jun. 30, 2022	59,946	$ 9,940	2,019	80,617	(4,231)	(28,399)
Beginning balance (in shares) at Mar. 31, 2022		4,493,170
Beginning balances at Mar. 31, 2022	69,417	$ 9,937	1,878	79,259	(4,231)	(17,426)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,931			2,931
Other comprehensive income (loss)	(10,973)					(10,973)
Dividend reinvestment plan (in shares)		512
Dividend reinvestment plan	15		11		4
Cash dividends declared	(1,573)			(1,573)
Stock based compensation expense (in shares)		1,280
Stock based compensation expense	133	$ 3	130
Purchase of treasury stock (in shares)		(150)
Purchase of treasury stock	(4)				(4)
Ending balance (in shares) at Jun. 30, 2022		4,494,812
Ending balances at Jun. 30, 2022	$ 59,946	$ 9,940	$ 2,019	$ 80,617	$ (4,231)	$ (28,399)