CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance, beginning at Dec. 31, 2020	$ 574	$ 4,444	$ 120,670	$ 7,958	$ (3,430)	$ 130,216
Net income			4,504			4,504
Other comprehensive loss net of tax				(5,034)		(5,034)
Treasury stock purchased					(149)	(149)
Treasury stock issued		16			157	173
Cash dividends paid			(889)			(889)
Balance, ending at Mar. 31, 2021	574	4,460	124,285	2,924	(3,422)	128,821
Balance, beginning at Dec. 31, 2021	574	4,520	131,856	3,441	(3,103)	137,288
Net income			3,191			3,191
Other comprehensive loss net of tax				(23,739)		(23,739)
Treasury stock issued		24			224	248
Cash dividends paid			(949)			(949)
Balance, ending at Mar. 31, 2022	$ 574	$ 4,544	$ 134,098	$ (20,298)	$ (2,879)	$ 116,039