Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2019		$ 23,641	$ 21,266	$ 36,187	$ 1,168	$ (7,924)
Equity compensation			(197)
Net income	$ 3,303			3,303
Cash dividend declared, $0.15 and $0.34 and $0.14 and $0.33 per share for three and six months ended June 30, 2021 and 2020				(1,405)
Other comprehensive (loss) income	2,413				2,413
Treasury shares purchased (8,314 and 4,602 shares purchased during the three months ended June 30, 2021 and 2020, respectively and 18,038 and 150,920 for the six months ended 2021 and 2020, respectively)						(3,154)
Equity compensation						474
Balance at Jun. 30, 2020	75,772		21,069	38,085	3,581	(10,604)
Balance at Mar. 31, 2020		23,641	21,314	36,745	2,401	(10,892)
Equity compensation			(245)
Net income	1,932			1,932
Cash dividend declared, $0.15 and $0.34 and $0.14 and $0.33 per share for three and six months ended June 30, 2021 and 2020				(592)
Other comprehensive (loss) income	1,180				1,180
Treasury shares purchased (8,314 and 4,602 shares purchased during the three months ended June 30, 2021 and 2020, respectively and 18,038 and 150,920 for the six months ended 2021 and 2020, respectively)						(62)
Equity compensation						350
Balance at Jun. 30, 2020	75,772		21,069	38,085	3,581	(10,604)
Balance at Dec. 31, 2020	81,005	23,641	21,238	41,863	4,867	(10,604)
Equity compensation			(151)
Net income	4,763			4,763
Cash dividend declared, $0.15 and $0.34 and $0.14 and $0.33 per share for three and six months ended June 30, 2021 and 2020				(1,441)
Other comprehensive (loss) income	(975)				(975)
Treasury shares purchased (8,314 and 4,602 shares purchased during the three months ended June 30, 2021 and 2020, respectively and 18,038 and 150,920 for the six months ended 2021 and 2020, respectively)						(392)
Equity compensation						414
Balance at Jun. 30, 2021	83,223		21,087	45,185	3,892	(10,582)
Balance at Mar. 31, 2021		$ 23,641	21,018	43,826	3,117	(10,506)
Equity compensation			69
Net income	1,997			1,997
Cash dividend declared, $0.15 and $0.34 and $0.14 and $0.33 per share for three and six months ended June 30, 2021 and 2020				(638)
Other comprehensive (loss) income	775				775
Treasury shares purchased (8,314 and 4,602 shares purchased during the three months ended June 30, 2021 and 2020, respectively and 18,038 and 150,920 for the six months ended 2021 and 2020, respectively)						(188)
Equity compensation						112
Balance at Jun. 30, 2021	$ 83,223		$ 21,087	$ 45,185	$ 3,892	$ (10,582)