CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022		25,275,369
Beginning balance at Dec. 31, 2022	$ 646,663	$ 25,275	$ 558,833	$ 252,623	$ (148,957)	$ (41,111)
Treasury stock, beginning balance (in shares) at Dec. 31, 2022						(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	16,271			16,271
Other comprehensive income (loss)	18,183				18,183
Dividends on common stock	(6,498)			(6,498)
Issuance of common shares for HSBI acquisition (in shares)		6,920,422
Issuance of common shares for HSBI acquisition	221,522	$ 6,920	214,602
Issuance of restricted stock grants (in shares)		118,689
Issuance of restricted stock grants	0	$ 119	(119)
Restricted stock grants forfeited (in shares)		(500)
Restricted stock grants forfeited	0	$ (1)	1
Repurchase of restricted stock for payment of taxes (in shares)		(9,827)
Repurchase of restricted stock for payment of taxes	(307)	$ (9)	(298)
Compensation expense	593		593
Ending balance (in shares) at Mar. 31, 2023		32,304,153
Ending balance at Mar. 31, 2023	896,427	$ 32,304	773,612	262,396	(130,774)	$ (41,111)
Treasury stock, ending balance (in shares) at Mar. 31, 2023						(1,249,607)
Beginning balance (in shares) at Dec. 31, 2022		25,275,369
Beginning balance at Dec. 31, 2022	646,663	$ 25,275	558,833	252,623	(148,957)	$ (41,111)
Treasury stock, beginning balance (in shares) at Dec. 31, 2022						(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	64,410
Other comprehensive income (loss)	(16,211)
Ending balance (in shares) at Sep. 30, 2023		32,343,411
Ending balance at Sep. 30, 2023	897,221	$ 32,343	774,598	296,559	(165,168)	$ (41,111)
Treasury stock, ending balance (in shares) at Sep. 30, 2023						(1,249,607)
Beginning balance (in shares) at Mar. 31, 2023		32,304,153
Beginning balance at Mar. 31, 2023	896,427	$ 32,304	773,612	262,396	(130,774)	$ (41,111)
Treasury stock, beginning balance (in shares) at Mar. 31, 2023						(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	23,779			23,779
Other comprehensive income (loss)	(14,465)				(14,465)
Dividends on common stock	(6,825)			(6,825)
Issuance of restricted stock grants (in shares)		45,773
Issuance of restricted stock grants	0	$ 46	(46)
Restricted stock grants forfeited (in shares)		(4,526)
Restricted stock grants forfeited	0	$ (5)	5
Compensation expense	530		530
Ending balance (in shares) at Jun. 30, 2023		32,345,400
Ending balance at Jun. 30, 2023	899,446	$ 32,345	774,101	279,350	(145,239)	$ (41,111)
Treasury stock, ending balance (in shares) at Jun. 30, 2023						(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	24,360			24,360
Other comprehensive income (loss)	(19,929)				(19,929)
Dividends on common stock	(7,151)			(7,151)
Issuance of restricted stock grants (in shares)		2,711
Issuance of restricted stock grants	0	$ 3	(3)
Restricted stock grants forfeited (in shares)		(3,596)
Restricted stock grants forfeited	0	$ (4)	4
Repurchase of restricted stock for payment of taxes (in shares)		(1,104)
Repurchase of restricted stock for payment of taxes	(32)	$ (1)	(31)
Compensation expense	527		527
Ending balance (in shares) at Sep. 30, 2023		32,343,411
Ending balance at Sep. 30, 2023	897,221	$ 32,343	774,598	296,559	(165,168)	$ (41,111)
Treasury stock, ending balance (in shares) at Sep. 30, 2023						(1,249,607)
Beginning balance (in shares) at Dec. 31, 2023		32,338,983
Beginning balance at Dec. 31, 2023	$ 949,034	$ 32,339	775,232	300,150	(117,576)	$ (41,111)
Treasury stock, beginning balance (in shares) at Dec. 31, 2023	(1,249,607)					(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 20,628			20,628
Other comprehensive income (loss)	(2,312)				(2,312)
Dividends on common stock	(7,777)			(7,777)
Issuance of restricted stock grants (in shares)		141,457
Issuance of restricted stock grants	0	$ 141	(141)
Repurchase of restricted stock for payment of taxes (in shares)		(12,512)
Repurchase of restricted stock for payment of taxes	(314)	$ (12)	(302)
Compensation expense	653		653
Ending balance (in shares) at Mar. 31, 2024		32,467,928
Ending balance at Mar. 31, 2024	959,912	$ 32,468	775,442	313,001	(119,888)	$ (41,111)
Treasury stock, ending balance (in shares) at Mar. 31, 2024						(1,249,607)
Beginning balance (in shares) at Dec. 31, 2023		32,338,983
Beginning balance at Dec. 31, 2023	$ 949,034	$ 32,339	775,232	300,150	(117,576)	$ (41,111)
Treasury stock, beginning balance (in shares) at Dec. 31, 2023	(1,249,607)					(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 58,896
Other comprehensive income (loss)	25,500
Ending balance (in shares) at Sep. 30, 2024		32,450,440
Ending balance at Sep. 30, 2024	$ 1,011,683	$ 32,450	776,731	335,689	(92,076)	$ (41,111)
Treasury stock, ending balance (in shares) at Sep. 30, 2024	(1,249,607)					(1,249,607)
Beginning balance (in shares) at Mar. 31, 2024		32,467,928
Beginning balance at Mar. 31, 2024	$ 959,912	$ 32,468	775,442	313,001	(119,888)	$ (41,111)
Treasury stock, beginning balance (in shares) at Mar. 31, 2024						(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,697			19,697
Other comprehensive income (loss)	(577)				(577)
Dividends on common stock	(7,799)			(7,799)
Issuance of restricted stock grants (in shares)		2,847
Issuance of restricted stock grants	0	$ 3	(3)
Restricted stock grants forfeited (in shares)		(5,768)
Restricted stock grants forfeited	0	$ (6)	6
Repurchase of restricted stock for payment of taxes (in shares)		(595)
Repurchase of restricted stock for payment of taxes	(15)	$ (1)	(14)
Compensation expense	667		667
Ending balance (in shares) at Jun. 30, 2024		32,464,412
Ending balance at Jun. 30, 2024	971,885	$ 32,464	776,098	324,899	(120,465)	$ (41,111)
Treasury stock, ending balance (in shares) at Jun. 30, 2024						(1,249,607)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,571			18,571
Other comprehensive income (loss)	28,389				28,389
Dividends on common stock	(7,781)			(7,781)
Issuance of restricted stock grants (in shares)		2,800
Issuance of restricted stock grants	0	$ 3	(3)
Restricted stock grants forfeited (in shares)		(14,903)
Restricted stock grants forfeited	0	$ (15)	15
Repurchase of restricted stock for payment of taxes (in shares)		(1,869)
Repurchase of restricted stock for payment of taxes	(55)	$ (2)	(53)
Compensation expense	674		674
Ending balance (in shares) at Sep. 30, 2024		32,450,440
Ending balance at Sep. 30, 2024	$ 1,011,683	$ 32,450	$ 776,731	$ 335,689	$ (92,076)	$ (41,111)
Treasury stock, ending balance (in shares) at Sep. 30, 2024	(1,249,607)					(1,249,607)