CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2018	$ 3,904	$ 53,099	$ 99,727	$ (3,921)	$ (13,580)	$ 139,229
Balance (in shares) at Dec. 31, 2018	3,904,212
Comprehensive income:
Net income			4,405			4,405
Net other comprehensive income (loss)				1,096		1,096
Purchase of treasury stock					(330)	(330)
Restricted stock vesting		3				3
Cash dividends			(1,558)			(1,558)
Balance at Mar. 31, 2019	$ 3,904	53,102	102,574	(2,825)	(13,910)	142,845
Balance (in shares) at Mar. 31, 2019	3,904,212
Balance at Dec. 31, 2019	$ 3,939	55,089	110,800	(629)	(14,425)	154,774
Balance (in shares) at Dec. 31, 2019	3,938,668
Comprehensive income:
Net income			4,531			4,531
Net other comprehensive income (loss)				3,547		3,547
Purchase of treasury stock					(1,279)	(1,279)
Restricted stock, executive and Board of Director awards		1			12	13
Restricted stock vesting		40				40
Cash dividend reinvestment paid from treasury stock		(1)	0		255	254
Cash dividends			(1,957)			(1,957)
Balance at Mar. 31, 2020	$ 3,939	$ 55,129	$ 113,374	$ 2,918	$ (15,437)	$ 159,923
Balance (in shares) at Mar. 31, 2020	3,938,668