Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2019	$ 237,874	$ 8,481	$ 178,159	$ 50,891	$ 343
Net income	3,818			3,818
Total other comprehensive income, net of taxes	(395)				(395)
Common stock dividends declared	(1,950)			(1,950)
Employee Stock Purchase Plan	33	1	32
Director Stock Purchase Plan	35	2	33
Restricted stock activity	96		96
Balance at Mar. 31, 2020	239,511	8,484	178,320	52,759	(52)
Balance at Dec. 31, 2020	255,688	8,512	178,853	70,175	(57)	$ (1,795)
Net income	9,312			9,312
Total other comprehensive income, net of taxes	558				558
Common stock dividends declared	(1,599)			(1,599)
Repurchased stock	(128)					(128)
Employee Stock Purchase Plan	40	2	38
Director Stock Purchase Plan	33	1	32
Restricted stock activity	132		132
Balance at Mar. 31, 2021	$ 264,036	$ 8,515	$ 179,055	$ 77,888	$ 501	$ (1,923)