Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), Net of Tax [Member]	Total
Balance at Dec. 31, 2021	$ 89,215	$ 227,085	$ 386,750	$ (4,848)	$ 698,202
Balance (in shares) at Dec. 31, 2021	17,843,081
Increase (Decrease) in Stockholders' Equity [Roll forward]
Net income			19,728		19,728
Other comprehensive income (loss)				(58,137)	(58,137)
Cash dividends declared			(7,131)		(7,131)
Issuance of common stock	$ 163	85			248
Issuance of common stock (in shares)	32,491
Issuance of restricted stock	$ 177	(177)			0
Issuance of restricted stock (in shares)	35,438
Vesting of restricted stock	$ (135)	135			0
Vesting of restricted stock (in shares)	(26,904)
Stock-based compensation		461			461
Balance at Mar. 31, 2022	$ 89,420	227,589	399,347	(62,985)	653,371
Balance (in shares) at Mar. 31, 2022	17,884,106
Balance at Dec. 31, 2022	$ 89,591	229,012	438,596	(129,152)	$ 628,047
Balance (in shares) at Dec. 31, 2022	17,918,280				17,918,280
Increase (Decrease) in Stockholders' Equity [Roll forward]
Net income			19,313		$ 19,313
Other comprehensive income (loss)				16,715	16,715
Cash dividends declared			(7,865)		(7,865)
Issuance of common stock	$ 131	147			278
Issuance of common stock (in shares)	26,118
Issuance of restricted stock	$ 264	(264)			0
Issuance of restricted stock (in shares)	52,865
Vesting of restricted stock	$ (101)	101			0
Vesting of restricted stock (in shares)	(20,128)
Forfeiture of restricted stock	$ (4)
Forfeiture of restricted stock		4			0
Forfeiture of restricted stock (in shares)	(790)
Stock-based compensation		333			333
Balance at Mar. 31, 2023	$ 89,881	$ 229,333	$ 450,044	$ (112,437)	$ 656,821
Balance (in shares) at Mar. 31, 2023	17,976,345				17,976,345