Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income
Interest and fees on loans	$ 391,320	$ 167,697
Interest and dividends on investment securities
Taxable	30,142	16,472
Tax-exempt	16,025	16,108
Other interest	5,329	1,993
Total interest income	442,817	202,270
Interest expense
Interest on deposits	109,422	3,571
Interest on federal funds purchased and securities sold under agreements to repurchase	3,143	38
Interest on other short-term funding	0	1
Interest on FHLB advances	49,960	8,182
Interest on long-term funding	6,281	2,730
Total interest expense	168,807	14,522
Net interest income	274,010	187,747
Provision for credit losses	17,971	(3,990)
Net interest income after provision for credit losses	256,039	191,737
Noninterest income
Capital markets, net	5,083	8,646
Mortgage banking, net	3,545	8,391
Bank and corporate owned life insurance	2,664	2,071
Asset gains, net	263	188
Investment securities gains (losses), net	51	21
Other	2,422	2,198
Noninterest Income, Total	62,073	74,467
Noninterest expense
Personnel	116,420	104,811
Technology	23,598	21,485
Occupancy	15,063	16,080
Business development and advertising	5,849	4,954
Equipment	4,930	4,960
Legal and professional	3,857	5,087
Loan and foreclosure costs	1,138	2,014
FDIC assessment	6,875	5,100
Other intangible amortization	2,203	2,203
Other	7,479	6,597
Total noninterest expense	187,412	173,292
Income before income taxes	130,700	92,912
Income tax expense	27,340	18,650
Net income	103,360	74,262
Preferred stock dividends	2,875	2,875
Net income available to common equity	$ 100,485	$ 71,387
Earnings per common share
Basic	$ 0.67	$ 0.48
Diluted	$ 0.66	$ 0.47
Average common shares outstanding
Basic	149,763	148,781
Diluted	151,128	150,492
Wealth management fees
Noninterest income
Noninterest Income In Scope of Topic 606	$ 20,189	$ 22,404
Service charges and deposit account fees
Noninterest income
Noninterest Income In Scope of Topic 606	12,994	16,856
Card-based fees
Noninterest income
Card-based fees	10,586	9,926
Other fee-based revenue
Noninterest income
Card-based fees	$ 4,276	$ 3,766