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]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2018	$ 23,641	$ 20,984	$ 31,089	$ (3,656)	$ (7,140)
Treasury shares reissued (2,770 shares)		11			49
Equity compensation		158
Net income			5,378			$ 5,378
Cash dividend declared, $0.14 and $0.47 and $0.11 and $0.38 per share for three and nine months ended September 30, 2020 and 2019, respectively						(1,659)
Other comprehensive income				4,917		4,917
Treasury shares purchased (no shares purchased in third quarter 2020 or 2019, and 150,920 shares for the nine months ended 2020 and 5,352 shares for the nine months ended 2019)					(122)
Equity compensation					503
Balance at Sep. 30, 2019		21,153	34,808	1,261	(6,710)	74,153
Balance at Jun. 30, 2019	23,641	21,027	33,345	(139)	(6,710)
Treasury shares reissued (2,770 shares)		0			0
Equity compensation		126
Net income			1,945			1,945
Cash dividend declared, $0.14 and $0.47 and $0.11 and $0.38 per share for three and nine months ended September 30, 2020 and 2019, respectively						(482)
Other comprehensive income				1,400		1,400
Treasury shares purchased (no shares purchased in third quarter 2020 or 2019, and 150,920 shares for the nine months ended 2020 and 5,352 shares for the nine months ended 2019)					0
Equity compensation					0
Balance at Sep. 30, 2019		21,153	34,808	1,261	(6,710)	74,153
Balance at Dec. 31, 2019	23,641	21,266	36,187	1,168	(7,924)	74,338
Treasury shares reissued (2,770 shares)		0			0
Equity compensation		(113)
Net income			5,465			5,465
Cash dividend declared, $0.14 and $0.47 and $0.11 and $0.38 per share for three and nine months ended September 30, 2020 and 2019, respectively						(1,995)
Other comprehensive income				3,133		3,133
Treasury shares purchased (no shares purchased in third quarter 2020 or 2019, and 150,920 shares for the nine months ended 2020 and 5,352 shares for the nine months ended 2019)					(3,154)
Equity compensation					474
Balance at Sep. 30, 2020		21,153	39,657	4,301	(10,604)	78,148
Balance at Jun. 30, 2020	$ 23,641	21,069	38,085	3,581	(10,604)
Treasury shares reissued (2,770 shares)		0			0
Equity compensation		84
Net income			2,162			2,162
Cash dividend declared, $0.14 and $0.47 and $0.11 and $0.38 per share for three and nine months ended September 30, 2020 and 2019, respectively						(590)
Other comprehensive income				720		720
Treasury shares purchased (no shares purchased in third quarter 2020 or 2019, and 150,920 shares for the nine months ended 2020 and 5,352 shares for the nine months ended 2019)					0
Equity compensation					0
Balance at Sep. 30, 2020		$ 21,153	$ 39,657	$ 4,301	$ (10,604)	$ 78,148