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 Income (Loss) [Member]
Balance, beginning of period at Dec. 31, 2018	$ 76,536	$ 18,629	$ 9,815	$ 54,288	$ (4,784)	$ (1,412)
Net income	7,821			7,821
Other comprehensive income (loss)	1,447					1,447
Issuance of 108 treasury shares	4				4
Cash dividends declared	(2,194)			(2,194)
Balance, end of period at Sep. 30, 2019	83,614	18,629	9,815	59,915	(4,780)	35
Balance, beginning of period at Jun. 30, 2019	81,458	18,629	9,815	57,988	(4,780)	(194)
Net income	2,695			2,695
Other comprehensive income (loss)	229					229
Cash dividends declared	(768)			(768)
Balance, end of period at Sep. 30, 2019	83,614	18,629	9,815	59,915	(4,780)	35
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