CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2019	$ 118,110	$ 102,206	$ 112	$ 16,140	$ (348)
Net income	(23,489)			(23,489)
Other comprehensive income, net of income taxes	822				822
Issuance under ESPP, 401k and Dividend Reinvestment plans	346	346
Stock based compensation	49		49
Dividends declared	(1,386)			(1,386)
Balance at Jun. 30, 2020	94,452	102,552	161	(8,735)	474
Balance at Mar. 31, 2020	118,441	102,386	134	16,081	(160)
Net income	(24,122)			(24,122)
Other comprehensive income, net of income taxes	634				634
Issuance under ESPP, 401k and Dividend Reinvestment plans	166	166
Stock based compensation	27		27
Dividends declared	(694)			(694)
Balance at Jun. 30, 2020	94,452	102,552	161	(8,735)	474
Balance at Dec. 31, 2020	97,432	102,662	292	(6,457)	935
Net income	7,840			7,840
Other comprehensive income, net of income taxes	(1,303)				(1,303)
Issuance under ESPP, 401k and Dividend Reinvestment plans	266	266
Stock based compensation	130	130
Balance at Jun. 30, 2021	104,365	103,058	292	1,383	(368)
Balance at Mar. 31, 2021	98,623	102,861	292	(3,397)	(1,133)
Net income	4,780			4,780
Other comprehensive income, net of income taxes	765				765
Issuance under ESPP, 401k and Dividend Reinvestment plans	132	132
Stock based compensation	65	65
Balance at Jun. 30, 2021	$ 104,365	$ 103,058	$ 292	$ 1,383	$ (368)