Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2020	$ 14,431	$ 129,274	$ 171,023	$ 2,149	$ 316,877
Net income			9,478		9,478
Other comprehensive loss, net of income taxes				(5,931)	(5,931)
Dividends declared			(2,665)		(2,665)
Stock based compensation		89			89
Restricted stock issued	18	(18)
Share retirement	(26)	(491)			(517)
Balance at Mar. 31, 2021	14,423	128,854	177,836	(3,782)	317,331
Balance at Dec. 31, 2020	14,431	129,274	171,023	2,149	316,877
Net income					18,009
Other comprehensive loss, net of income taxes					(4,086)
Balance at Jun. 30, 2021	14,407	128,719	183,702	(1,937)	324,891
Balance at Mar. 31, 2021	14,423	128,854	177,836	(3,782)	317,331
Net income			8,531		8,531
Other comprehensive loss, net of income taxes				1,845	1,845
Dividends declared			(2,665)		(2,665)
Stock based compensation		177			177
Share retirement	(16)	(312)			(328)
Balance at Jun. 30, 2021	14,407	128,719	183,702	(1,937)	324,891
Balance at Dec. 31, 2021	14,341	127,549	203,750	(5,514)	340,126
Net income			9,630		9,630
Other comprehensive loss, net of income taxes				(26,153)	(26,153)
Dividends declared			(2,796)		(2,796)
Stock based compensation		(28)			(28)
Restricted stock issued	24	(24)
Share retirement	(13)	(305)			(318)
Balance at Mar. 31, 2022	14,352	127,192	210,584	(31,667)	320,461
Balance at Dec. 31, 2021	14,341	127,549	203,750	(5,514)	340,126
Net income					18,983
Other comprehensive loss, net of income taxes					(41,060)
Balance at Jun. 30, 2022	14,346	126,986	217,139	(46,574)	311,897
Balance at Mar. 31, 2022	14,352	127,192	210,584	(31,667)	320,461
Net income			9,353		9,353
Other comprehensive loss, net of income taxes				(14,907)	(14,907)
Dividends declared			(2,798)		(2,798)
Stock based compensation		116			116
Restricted stock issued	8	(8)
Share retirement	(14)	(314)			(328)
Balance at Jun. 30, 2022	$ 14,346	$ 126,986	$ 217,139	$ (46,574)	$ 311,897