Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2020	4,878,557
Beginning balance total shareholders' equity at Dec. 31, 2020	$ 4,879	$ 65,780	$ 16,225	$ 5,872	$ 92,756
Net income			4,330		4,330
Other comprehensive loss				(4,248)	(4,248)
Dividend			(488)		(488)
Balance (in shares) at Mar. 31, 2021	4,878,557
Ending balance total shareholders' equity at Mar. 31, 2021	$ 4,879	65,780	20,067	1,624	92,350
Balance (in shares) at Dec. 31, 2021	4,678,186
Beginning balance total shareholders' equity at Dec. 31, 2021	$ 4,678	65,780	20,911	(1,831)	89,538
Net income			887		887
Other comprehensive loss				(19,334)	(19,334)
Dividend			(421)		(421)
Balance (in shares) at Mar. 31, 2022	4,678,186
Ending balance total shareholders' equity at Mar. 31, 2022	$ 4,678	$ 65,780	$ 21,377	$ (21,165)	$ 70,670