CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2020	$ 243	$ 308,870	$ 77,956	$ 3,485	$ 390,554
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			19,658		19,658
Changes in other comprehensive loss on investment securities, net of tax				(244)	(244)
Dividends on common stock			(4,895)		(4,895)
Stock option exercises	2	1,322			1,324
Repurchase of restricted stock		(14)			(14)
Stock-based compensation expense		557			557
Balance at Jun. 30, 2021	245	310,735	92,719	3,241	406,940
Balance at Mar. 31, 2021	244	310,582	84,897	2,263	397,986
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	10,275	0	10,275
Changes in other comprehensive loss on investment securities, net of tax	0	0	0	978	978
Dividends on common stock	0	0	(2,453)	0	(2,453)
Stock option exercises	1	85	0	0	86
Repurchase of restricted stock	0	(7)	0	0	(7)
Stock-based compensation expense	0	75	0	0	75
Balance at Jun. 30, 2021	245	310,735	92,719	3,241	406,940
Balance at Dec. 31, 2021	245	311,127	99,397	1,112	411,881	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			9,602		9,602
Changes in other comprehensive loss on investment securities, net of tax				(19,038)	(19,038)
Dividends on common stock			(4,922)		(4,922)
Stock option exercises	1	278			279
Repurchase of restricted stock		(8)			(8)
Stock-based compensation expense		843			843
Balance at Jun. 30, 2022	246	312,240	104,077	(17,926)	398,637
Balance at Mar. 31, 2022	245	311,872	101,533	(9,455)	404,195
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	5,009	0	5,009
Changes in other comprehensive loss on investment securities, net of tax	0	0	0	(8,471)	(8,471)
Dividends on common stock	0	0	(2,465)	0	(2,465)
Stock option exercises	1	278	0	0	279
Repurchase of restricted stock	0	(2)	0	0	(2)
Stock-based compensation expense	0	92	0	0	92
Balance at Jun. 30, 2022	$ 246	$ 312,240	$ 104,077	$ (17,926)	$ 398,637

[1] Derived from audited consolidated financial statements