Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
INTEREST INCOME
Loans	$ 367,485	$ 216,970	$ 1,018,920	$ 536,359
Securities:
Taxable interest	53,455	50,003	161,091	140,680
Tax-exempt interest	25,704	24,692	76,560	72,085
Total securities income	79,159	74,695	237,651	212,765
Federal funds and resell agreements	4,567	6,056	14,107	12,003
Interest-bearing due from banks	20,551	2,545	70,923	9,209
Trading securities	214	73	502	372
Total interest income	471,976	300,339	1,342,103	770,708
INTEREST EXPENSE
Deposits	191,919	48,457	490,368	70,069
Federal funds and repurchase agreements	23,076	14,709	71,123	21,855
Other	34,694	3,688	91,018	10,153
Total interest expense	249,689	66,854	652,509	102,077
Net interest income	222,287	233,485	689,594	668,631
Provision for credit losses	4,977	22,000	41,227	28,900
Net interest income after provision for credit losses	217,310	211,485	648,367	639,731
NONINTEREST INCOME
Trust and securities processing	66,668	59,586	190,616	178,000
Trading and investment banking	3,771	5,387	13,879	17,950
Service charges on deposit accounts	21,080	19,932	63,620	65,409
Insurance fees and commissions	272	375	771	879
Brokerage fees	13,400	13,840	40,680	29,687
Bankcard fees	19,296	19,379	56,047	53,854
Investment securities gains (losses), net	271	(1,345)	(4,153)	58,853
Other	8,559	11,569	40,139	24,104
Total noninterest income	133,317	128,723	401,599	428,736
NONINTEREST EXPENSE
Salaries and employee benefits	133,380	136,467	419,190	388,491
Occupancy, net	12,283	12,231	36,206	36,439
Equipment	17,204	18,811	52,139	55,290
Supplies and services	3,213	3,139	11,283	9,893
Marketing and business development	6,631	6,671	19,090	16,911
Processing fees	26,016	20,901	75,828	58,682
Legal and consulting	7,230	10,255	21,574	28,431
Bankcard	8,852	6,551	24,292	18,998
Amortization of other intangible assets	2,124	1,092	6,539	3,388
Regulatory fees	6,153	4,200	17,827	11,146
Other	8,355	11,078	25,198	32,632
Total noninterest expense	231,441	231,396	709,166	660,301
Income (loss) before taxes	119,186	108,812	340,800	408,166
Income tax expense	22,632	20,822	61,699	76,657
NET INCOME	$ 96,554	$ 87,990	$ 279,101	$ 331,509
PER SHARE DATA
Net income – basic	$ 1.99	$ 1.82	$ 5.76	$ 6.86
Net income – diluted	1.98	1.81	5.73	6.8
Dividends	$ 0.38	$ 0.37	$ 1.14	$ 1.11
Weighted average shares outstanding – basic	48,525,776	48,300,129	48,492,022	48,351,007
Weighted average shares outstanding – diluted	48,762,696	48,648,804	48,737,065	48,723,572