Consolidated Statements of Changes in Shareholders' Equity - 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
December 31, 2021: at Dec. 31, 2020	$ 4,879	$ 65,780	$ 18,140	$ 5,872	$ 94,671
Net income (loss)			8,911		8,911
Cash dividend			(769)		(769)
Other comprehensive loss				(7,703)	(7,703)
Stock repurchase (in shares)	(200,371)
Stock repurchase	$ (201)		(3,180)		(3,381)
Balance (in shares) at Dec. 31, 2021	4,678,186
Beginning balance total shareholders' equity at Dec. 31, 2021	$ 4,678	65,780	23,102	(1,831)	91,729
Net income (loss)			8,941		8,941
Cash dividend			(889)		(889)
Other comprehensive loss				(44,587)	(44,587)
Balance (in shares) at Dec. 31, 2022	4,678,186
Beginning balance total shareholders' equity at Dec. 31, 2022	$ 4,678	$ 65,780	$ 31,154	$ (46,418)	$ 55,194