CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Common Stock	Additional Paid-in Capital	Treasury Stock
Balance at Dec. 31, 2018	$ 45,866	$ 39,355	$ (1,570)	$ 2,527	$ 5,554	$ 0
Comprehensive income (loss):
Net income (loss)	2,286	2,286
Other comprehensive income (loss) (net of tax)	4,313		4,313
Common stock issued	53			5	48
Cash dividends	(379)	(379)
Balance at Sep. 30, 2019	52,139	41,262	2,743	2,532	5,602	0
Balance at Dec. 31, 2018	45,866	39,355	(1,570)	2,527	5,554	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock reacquired	(7)
Comprehensive income (loss):
Net income (loss)	4,067
Other comprehensive income (loss) (net of tax)	4,013
Common stock issued	53
Cash dividends	(531)
Balance at Dec. 31, 2019	53,461	42,891	2,443	2,532	5,602	(7)
Balance at Jun. 30, 2019	51,053	40,958	1,961	2,532	5,602	0
Comprehensive income (loss):
Net income (loss)	430	430
Other comprehensive income (loss) (net of tax)	782		782
Cash dividends	(126)	(126)
Balance at Sep. 30, 2019	52,139	41,262	2,743	2,532	5,602	0
Balance at Dec. 31, 2019	53,461	42,891	2,443	2,532	5,602	(7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock reacquired	(34)					(34)
Comprehensive income (loss):
Net income (loss)	(6,364)	(6,364)
Other comprehensive income (loss) (net of tax)	429		429
Common stock issued	25			1	24
Cash dividends	(455)	(455)
Balance at Sep. 30, 2020	47,062	36,072	2,872	2,533	5,626	(41)
Balance at Jun. 30, 2020	48,451	37,001	3,319	2,533	5,626	(28)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock reacquired	(13)					(13)
Comprehensive income (loss):
Net income (loss)	(778)	(778)
Other comprehensive income (loss) (net of tax)	(447)		(447)
Cash dividends	(151)	(151)
Balance at Sep. 30, 2020	$ 47,062	$ 36,072	$ 2,872	$ 2,533	$ 5,626	$ (41)