Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
INTEREST INCOME
Loans	$ 216,970	$ 159,242	$ 536,359	$ 463,949
Securities:
Taxable interest	50,003	33,307	140,680	90,249
Tax-exempt interest	24,692	24,458	72,085	74,165
Total securities income	74,695	57,765	212,765	164,414
Federal funds and resell agreements	6,056	2,389	12,003	7,762
Interest-bearing due from banks	2,545	1,699	9,209	3,235
Trading securities	73	231	372	579
Total interest income	300,339	221,326	770,708	639,939
INTEREST EXPENSE
Deposits	48,457	6,741	70,069	20,113
Federal funds and repurchase agreements	14,709	1,596	21,855	5,261
Other	3,688	3,224	10,153	9,614
Total interest expense	66,854	11,561	102,077	34,988
Net interest income	233,485	209,765	668,631	604,951
Provision for credit losses	22,000	(5,000)	28,900	11,500
Net interest income after provision for credit losses	211,485	214,765	639,731	593,451
NONINTEREST INCOME
Trust and securities processing	59,586	56,914	178,000	165,611
Trading and investment banking	5,387	5,936	17,950	23,962
Service charges on deposit accounts	19,932	19,881	65,409	64,449
Insurance fees and commissions	375	285	879	950
Brokerage fees	13,840	2,899	29,687	8,825
Bankcard fees	19,379	17,198	53,854	47,934
Investment securities (losses) gains, net	(1,345)	(3,510)	58,853	3,609
Other	11,569	8,304	24,104	33,053
Total noninterest income	128,723	107,907	428,736	348,393
NONINTEREST EXPENSE
Salaries and employee benefits	136,467	124,986	388,491	373,082
Occupancy, net	12,231	12,207	36,439	36,438
Equipment	18,811	19,701	55,290	58,512
Supplies and services	3,139	3,379	9,893	10,340
Marketing and business development	6,671	4,863	16,911	12,005
Processing fees	20,901	16,562	58,682	48,480
Legal and consulting	10,255	7,646	28,431	21,548
Bankcard	6,551	4,795	18,998	14,280
Amortization of other intangible assets	1,092	1,110	3,388	3,647
Regulatory fees	4,200	3,186	11,146	8,501
Other	11,078	10,434	32,632	24,320
Total noninterest expense	231,396	208,869	660,301	611,153
Income before income taxes	108,812	113,803	408,166	330,691
Income tax expense	20,822	19,336	76,657	56,169
NET INCOME	$ 87,990	$ 94,467	$ 331,509	$ 274,522
PER SHARE DATA
Net income – basic	$ 1.82	$ 1.96	$ 6.86	$ 5.69
Net income – diluted	1.81	1.94	6.80	5.64
Dividends	$ 0.37	$ 0.37	$ 1.11	$ 1.01
Weighted average shares outstanding – basic	48,300,129	48,319,414	48,351,007	48,237,819
Weighted average shares outstanding – diluted	48,648,804	48,742,883	48,723,572	48,658,290