CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2018	$ 151,760	$ 90,621	$ 62,891	$ (1,752)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,467		3,467	(1,752)
Other comprehensive income	2,069
Redeemed stock	(1,104)	(1,104)		2,069
Common stock dividends declared	(309)		(309)
Exercise of stock options	125	125
Stock-based compensation expense, net of tax impact	11	11
Balance at Mar. 31, 2019	156,119	89,753	66,049	317
Balance at Dec. 31, 2019	170,703	89,345	77,766	3,592
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,110		4,110
Other comprehensive income	1,777			1,777
Redeemed stock	(620)	(620)
Common stock dividends declared	(387)		(387)
Exercise of stock options	61	61
Stock-based compensation expense, net of tax impact	124	124
Balance at Mar. 31, 2020	$ 175,768	$ 88,910	$ 81,489	$ 5,369