Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
INTEREST INCOME
Loans	$ 385,566	$ 308,441
Securities:
Taxable interest	61,111	53,049
Tax-exempt interest	25,333	25,306
Total securities income	86,444	78,355
Federal funds and resell agreements	3,062	5,651
Interest-bearing due from banks	44,688	16,166
Trading securities	305	134
Total interest income	520,065	408,747
INTEREST EXPENSE
Deposits	223,875	127,899
Federal funds and repurchase agreements	27,662	23,302
Other	29,094	15,850
Total interest expense	280,631	167,051
Net interest income	239,434	241,696
Provision for credit losses	10,000	23,250
Net interest income after provision for credit losses	229,434	218,446
NONINTEREST INCOME
Trust and securities processing	69,478	62,359
Trading and investment banking	5,462	5,308
Service charges on deposit accounts	20,757	21,159
Insurance fees and commissions	283	274
Brokerage fees	13,160	13,676
Bankcard fees	21,968	18,172
Investment securities gains (losses), net	9,371	(5,324)
Other	18,765	14,576
Total noninterest income	159,244	130,200
NONINTEREST EXPENSE
Salaries and employee benefits	143,006	142,498
Occupancy, net	12,270	12,177
Equipment	16,503	17,849
Supplies and services	3,301	3,875
Marketing and business development	6,025	5,335
Processing fees	27,936	23,240
Legal and consulting	7,894	7,285
Bankcard	10,567	7,133
Amortization of other intangible assets	1,960	2,298
Regulatory fees	19,395	5,551
Other	5,947	9,811
Total noninterest expense	254,804	237,052
Income (loss) before income taxes	133,874	111,594
Income tax expense	23,616	19,157
Net income (loss)	$ 110,258	$ 92,437
PER SHARE DATA
Net income – basic	$ 2.27	$ 1.91
Net income – diluted	2.25	1.90
Dividends	$ 0.39	$ 0.38
Weighted average shares outstanding – basic	48,663,515	48,435,016
Weighted average shares outstanding – diluted	48,920,863	48,746,562