Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
INTEREST INCOME:
Interest and fees on loans	$ 262,900	$ 247,472	$ 217,284
Taxable interest on investment securities	44,966	54,972	58,509
Nontaxable interest on investment securities	549	651	1,854
Interest on interest earning deposits	5,821	6,617	6,818
Total interest income	314,236	309,712	284,465
INTEREST EXPENSE:
Deposits	79,336	75,069	39,350
Junior subordinated debentures	1,872	2,139	2,074
Securities sold under agreement to repurchase	0	0	153
Borrowings	8,623	23,140	17,733
Total interest expense	89,831	100,348	59,310
Net interest income	224,405	209,364	225,155
Provision for credit losses	1,968	6,282	4,280
Net interest income after provision for credit losses	222,437	203,082	220,875
NONINTEREST INCOME:
Loss on sale of investment securities, net	(10,741)	(22,742)	(12,231)
Gain on sale of loans, net	0	26	343
Interest rate swap fees	496	409	230
Bank owned life insurance income	4,378	2,967	2,934
Gain on sale of other assets, net	8	1,552	2
Other income	7,844	6,224	8,079
Total noninterest income	21,732	7,473	18,663
NONINTEREST EXPENSE:
Compensation and employee benefits	104,023	98,527	100,083
Occupancy and equipment	18,881	19,289	19,156
Data processing	14,998	14,899	17,116
Marketing	1,251	988	1,930
Professional services	4,258	2,515	4,227
State/municipal business and use taxes	4,907	4,889	4,059
Federal deposit insurance premium	3,207	3,260	3,312
Amortization of intangible assets	1,174	1,640	2,434
Other expense	12,867	12,289	14,306
Total noninterest expense	165,566	158,296	166,623
Income before income taxes	78,603	52,259	72,915
Income tax expense	11,071	9,001	11,160
Net income	$ 67,532	$ 43,258	$ 61,755
Basic earnings per common share (in dollars per share)	$ 1.99	$ 1.26	$ 1.76
Diluted earnings per common share (in dollars per share)	1.96	1.24	1.75
Dividends declared per share (in dollars per share)	$ 0.96	$ 0.92	$ 0.88
Average number of basic shares outstanding (in shares)	33,996,149	34,465,323	35,022,247
Average number of diluted shares outstanding (in shares)	34,456,904	34,899,036	35,258,189
Service charges and other fees
NONINTEREST INCOME:
Service charges, other fees and card revenue	$ 12,005	$ 11,285	$ 10,966
Card revenue
NONINTEREST INCOME:
Service charges, other fees and card revenue	$ 7,742	$ 7,752	$ 8,340