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, 2019	$ 85,476	$ 18,629	$ 9,815	$ 61,740	$ (4,780)	$ 72
Net income	7,889			7,889
Other comprehensive income (loss)	792					792
Cash dividends declared	(2,304)			(2,304)
Balance, end of period at Sep. 30, 2020	91,853	18,629	9,815	67,325	(4,780)	864
Balance, beginning of period at Jun. 30, 2020	89,967	18,629	9,815	65,293	(4,780)	1,010
Net income	2,800			2,800
Other comprehensive income (loss)	(146)					(146)
Cash dividends declared	(768)			(768)
Balance, end of period at Sep. 30, 2020	91,853	18,629	9,815	67,325	(4,780)	864
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)