CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - (UNAUDITED) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2018	$ 151,760		$ 90,621	$ 62,891	$ (1,752)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,431			11,431
Other comprehensive income (loss)	7,120				7,120
Redeemed stock	(2,108)		(2,108)
Common stock dividends declared	(928)			(928)
Exercise of stock options	219		219
Stock-based compensation expense, net of tax impact	474		474
Ending balance at Sep. 30, 2019	167,968		89,206	73,394	5,368
Beginning balance at Jun. 30, 2019	162,867		89,442	69,295	4,130
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,409			4,409
Other comprehensive income (loss)	1,238				1,238
Redeemed stock	(488)		(488)
Common stock dividends declared	(310)			(310)
Exercise of stock options	63		63
Stock-based compensation expense, net of tax impact	189		189
Ending balance at Sep. 30, 2019	167,968		89,206	73,394	5,368
Beginning balance at Dec. 31, 2019	170,703	$ 0	89,345	77,766	3,592
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,040			12,040
Other comprehensive income (loss)	4,451				4,451
Redeemed stock	(620)		(620)
Preferred stock offering, net of issuance costs	23,370	23,370
Common stock dividends declared	(1,160)			(1,160)
Exercise of stock options	95		95
Stock-based compensation expense, net of tax impact	589		589
Ending balance at Sep. 30, 2020	209,468	23,370	89,409	88,646	8,043
Beginning balance at Jun. 30, 2020	180,259	0	89,175	83,824	7,260
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,209			5,209
Other comprehensive income (loss)	783				783
Preferred stock offering, net of issuance costs	23,370	23,370
Common stock dividends declared	(387)			(387)
Stock-based compensation expense, net of tax impact	234		234
Ending balance at Sep. 30, 2020	$ 209,468	$ 23,370	$ 89,409	$ 88,646	$ 8,043