CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Surplus	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Beginning balance at Dec. 31, 2020	$ 2,266	$ 85,111	$ 47,683	$ 1,819	$ (1,456)	$ 135,423
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			15,794			15,794
Other comprehensive loss, net of taxes				(3,039)		(3,039)
Cash dividends declared			(2,907)			(2,907)
Issue of restricted stock		(436)			436
Treasury stock purchased					(379)	(379)
Restricted stock expense		390				390
Stock-based compensation		(1)			70	69
Issuance of stock offering, net of costs	576	34,676				35,252
Ending balance at Sep. 30, 2021	2,842	119,740	60,570	(1,220)	(1,329)	180,603
Beginning balance at Jun. 30, 2021	2,266	84,936	56,118	(1,116)	(1,293)	140,911
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			5,576			5,576
Other comprehensive loss, net of taxes				(104)		(104)
Cash dividends declared			(1,124)			(1,124)
Treasury stock purchased					(36)	(36)
Restricted stock expense		128				128
Issuance of stock offering, net of costs	576	34,676				35,252
Ending balance at Sep. 30, 2021	2,842	119,740	60,570	(1,220)	(1,329)	180,603
Beginning balance at Dec. 31, 2021	2,842	119,825	64,941	(3,443)	(1,329)	182,836
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			15,293			15,293
Other comprehensive loss, net of taxes				(58,872)		(58,872)
Cash dividends declared			(3,374)			(3,374)
Treasury stock purchased					(308)	(308)
Restricted stock expense		133				133
Stock-based compensation		110			372	482
Ending balance at Sep. 30, 2022	2,842	120,068	76,860	(62,315)	(1,265)	136,190
Beginning balance at Jun. 30, 2022	2,842	119,946	70,131	(45,761)	(1,435)	145,723
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			7,853			7,853
Other comprehensive loss, net of taxes				(16,554)		(16,554)
Cash dividends declared			(1,124)			(1,124)
Treasury stock purchased					(119)	(119)
Restricted stock expense		33				33
Stock-based compensation		89			289	378
Ending balance at Sep. 30, 2022	$ 2,842	$ 120,068	$ 76,860	$ (62,315)	$ (1,265)	$ 136,190