Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect Adjustment [Member]	Cumulative Effect Adjusted Balance [Member]	Common Stock [Member]	Common Stock [Member] Cumulative Effect Adjusted Balance [Member]	Surplus [Member]	Surplus [Member] Cumulative Effect Adjusted Balance [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect Adjustment [Member]	Retained Earnings [Member] Cumulative Effect Adjusted Balance [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Cumulative Effect Adjusted Balance [Member]
Beginning Balance at Dec. 31, 2021	$ 109,623			$ 99		$ 82,910		$ 24,836			$ 1,778
Beginning Balance,shares at Dec. 31, 2021				9,826,435
Net income (loss)	3,130							3,130
Dividends declared	(1,475)							(1,475)
Exercise of stock options	120					120
Exercise of stock options, shares				12,000
Stock option expenses	40					40
Other comprehensive income (loss)	(6,667)										(6,667)
Ending Balance at Jun. 30, 2022	104,771			$ 99		83,070		26,491			(4,889)
Ending Balance, Shares at Jun. 30, 2022				9,838,435
Beginning Balance at Mar. 31, 2022	106,340			$ 99		82,930		25,623			(2,312)
Beginning Balance,shares at Mar. 31, 2022				9,826,435
Net income (loss)	1,606							1,606
Dividends declared	(738)							(738)
Exercise of stock options	120					120
Exercise of stock options, shares				12,000
Stock option expenses	20					20
Other comprehensive income (loss)	(2,577)										(2,577)
Ending Balance at Jun. 30, 2022	104,771			$ 99		83,070		26,491			(4,889)
Ending Balance, Shares at Jun. 30, 2022				9,838,435
Beginning Balance at Dec. 31, 2022	138,553	$ (5,419)	$ 133,134	$ 149	$ 149	117,709	$ 117,709	27,100	$ (5,419)	$ 21,681	(6,405)	$ (6,405)
Beginning Balance,shares at Dec. 31, 2022				14,939,640	14,939,640
Net income (loss)	(207)							(207)
Dividends declared	(2,435)							(2,435)
Issuance of shares of common stock, net proceeds	9,980			$ 13		9,967
Issuance of shares of common stock, net proceeds, shares				1,282,052
Employee stock purchase plan	84					84
Employee stock purchase plan, shares				6,748
Stock option expenses	58					58
Other comprehensive income (loss)	1,838										1,838
Ending Balance at Jun. 30, 2023	142,452			$ 162		127,818		19,039			(4,567)
Ending Balance, Shares at Jun. 30, 2023				16,228,440
Beginning Balance at Mar. 31, 2023	141,581			$ 250		127,659		18,911			(5,239)
Beginning Balance,shares at Mar. 31, 2023				16,221,692
Net income (loss)	1,347							1,347
Dividends declared	(1,219)							(1,219)
Employee stock purchase plan	42					42
Employee stock purchase plan, shares				6,748
Stock option expenses	29					29
Reclassification				$ (88)		88
Other comprehensive income (loss)	672										672
Ending Balance at Jun. 30, 2023	$ 142,452			$ 162		$ 127,818		$ 19,039			$ (4,567)
Ending Balance, Shares at Jun. 30, 2023				16,228,440