Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest revenue:
Loans, including fees	$ 283,983	$ 236,431
Investment securities, including tax exempt of $1,721 and $2,110, respectively	46,436	39,986
Deposits in banks and short-term investments	6,309	3,070
Total interest revenue	336,728	279,487
Interest expense:
Deposits	133,784	57,861
Short-term borrowings	0	1,148
Federal Home Loan Bank advances	0	5,112
Long-term debt	3,795	3,896
Total interest expense	137,579	68,017
Net interest revenue	199,149	211,470
Provision for credit losses	12,899	21,783
Net interest revenue after provision for credit losses	186,250	189,687
Noninterest income:
Wealth management fees	6,313	5,724
Gains from sales of other loans	1,537	1,916
Lending and loan servicing fees	4,210	4,016
Securities losses, net	0	(1,644)
Other	10,752	6,977
Total noninterest income	39,587	30,209
Total revenue	225,837	219,896
Noninterest expenses:
Salaries and employee benefits	84,985	78,698
Communications and equipment	11,920	10,008
Occupancy	11,099	9,889
Advertising and public relations	1,901	2,349
Postage, printing and supplies	2,648	2,537
Professional fees	5,988	6,072
Lending and loan servicing expense	1,827	2,319
Outside services - electronic banking	2,918	3,425
FDIC assessments and other regulatory charges	7,566	4,001
Amortization of intangibles	3,887	3,528
Merger-related and other charges	2,087	8,631
Other	8,176	8,348
Total noninterest expenses	145,002	139,805
Income before income taxes	80,835	80,091
Income tax expense	18,204	17,791
Net of tax	62,631	62,300
Net income available to common shareholders, basic	60,713	60,242
Net income available to common shareholders, diluted	$ 60,713	$ 60,242
Net income per common share:
Basic (in dollars per share)	$ 0.51	$ 0.52
Diluted (in dollars per share)	$ 0.51	$ 0.52
Weighted average common shares outstanding:
Basic (in shares)	119,662	115,451
Diluted (in shares)	119,743	115,715
Service charges and fees
Noninterest income:
Service charges and other related fees	$ 9,264	$ 8,699
Mortgage loan gains and other related fees
Noninterest income:
Service charges and other related fees	$ 7,511	$ 4,521