Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member]
Balance, beginning of period at Dec. 31, 2020	$ 93,859	$ 18,629	$ 9,815	$ 69,209	$ (4,780)	$ 986
Net income	8,531			8,531
Other comprehensive income (loss)	(2,169)					(2,169)
Purchase of treasury shares	(644)				(644)
Cash dividends declared	(2,488)			(2,488)
Balance, end of period at Sep. 30, 2021	97,089	18,629	9,815	75,252	(5,424)	(1,183)
Balance, beginning of period at Jun. 30, 2021	96,012	18,629	9,815	73,196	(5,093)	(535)
Net income	2,901			2,901
Other comprehensive income (loss)	(648)					(648)
Purchase of treasury shares	(331)				(331)
Cash dividends declared	(845)			(845)
Balance, end of period at Sep. 30, 2021	97,089	18,629	9,815	75,252	(5,424)	(1,183)
Balance, beginning of period at Dec. 31, 2021	97,315	18,629	9,815	76,715	(5,719)	(2,125)
Net income	9,560			9,560
Other comprehensive income (loss)	(11,927)					(11,927)
Purchase of treasury shares	(388)				(388)
Cash dividends declared	(2,579)			(2,579)
Balance, end of period at Sep. 30, 2022	91,981	18,629	9,815	83,696	(6,107)	(14,052)
Balance, beginning of period at Jun. 30, 2022	93,662	18,629	9,815	80,940	(5,719)	(10,003)
Net income	3,650			3,650
Other comprehensive income (loss)	(4,049)					(4,049)
Purchase of treasury shares	(388)				(388)
Cash dividends declared	(894)			(894)
Balance, end of period at Sep. 30, 2022	$ 91,981	$ 18,629	$ 9,815	$ 83,696	$ (6,107)	$ (14,052)