CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance (in shares) at Dec. 31, 2021		28,845,903
Balance at Dec. 31, 2021	$ 816,468	$ 289	$ 530,845	$ 267,092	$ 18,242
Net income	35,094			35,094
Other comprehensive income (loss)	(133,709)				(133,709)
Cash dividends declared	(5,709)			(5,709)
Common stock issued in connection with the exercise of stock options and restricted stock awards (in shares)		90,796
Common stock issued in connection with the exercise of stock options and restricted stock awards	985	$ 1	984
Repurchase of common stock (in shares)		(350,273)
Repurchase of common stock	(9,690)	$ (4)	(9,686)
Stock-based compensation expense	1,890		1,890
Balance (in shares) at Jun. 30, 2022		28,586,426
Balance at Jun. 30, 2022	705,329	$ 286	524,033	296,477	(115,467)
Balance (in shares) at Mar. 31, 2022		28,903,910
Balance at Mar. 31, 2022	751,940	$ 290	532,372	282,896	(63,618)
Net income	16,437			16,437
Other comprehensive income (loss)	(51,849)				(51,849)
Cash dividends declared	(2,856)			(2,856)
Common stock issued in connection with the exercise of stock options and restricted stock awards (in shares)		32,789
Common stock issued in connection with the exercise of stock options and restricted stock awards	416		416
Repurchase of common stock (in shares)		(350,273)
Repurchase of common stock	(9,690)	$ (4)	(9,686)
Stock-based compensation expense	931		931
Balance (in shares) at Jun. 30, 2022		28,586,426
Balance at Jun. 30, 2022	705,329	$ 286	524,033	296,477	(115,467)
Balance (in shares) at Dec. 31, 2022		52,954,985
Balance at Dec. 31, 2022	1,383,176	$ 530	1,222,761	303,146	(143,261)
Net income	72,323			72,323
Other comprehensive income (loss)	11,257				11,257
Cash dividends declared	(13,850)			(13,850)
Common stock issued in connection with the exercise of stock options and restricted stock awards (in shares)		347,749
Common stock issued in connection with the exercise of stock options and restricted stock awards	351	$ 3	348
Stock-based compensation expense	5,423		5,423
Balance (in shares) at Jun. 30, 2023		53,302,734
Balance at Jun. 30, 2023	1,458,680	$ 533	1,228,532	361,619	(132,004)
Balance (in shares) at Mar. 31, 2023		53,296,038
Balance at Mar. 31, 2023	1,446,216	$ 533	1,225,596	333,368	(113,281)
Net income	35,175			35,175
Other comprehensive income (loss)	(18,723)				(18,723)
Cash dividends declared	(6,924)			(6,924)
Common stock issued in connection with the exercise of stock options and restricted stock awards (in shares)		6,696
Common stock issued in connection with the exercise of stock options and restricted stock awards	94		94
Stock-based compensation expense	2,842		2,842
Balance (in shares) at Jun. 30, 2023		53,302,734
Balance at Jun. 30, 2023	$ 1,458,680	$ 533	$ 1,228,532	$ 361,619	$ (132,004)