Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest Income:
Interest and fees on loans and leases	$ 716,356	$ 346,276
Taxable interest and dividends on investments	100,872	53,724
Non-taxable interest on investment securities	13,684	9,802
Loans held for sale	16	26
Total interest income	830,928	409,828
Interest Expense:
Deposits	150,204	7,399
Securities sold under agreements to repurchase and other borrowings	7,827	957
Federal Home Loan Bank advances	68,126	56
Long-term debt	9,488	7,168
Total interest expense	235,645	15,580
Net interest income	595,283	394,248
Provision for credit losses	46,749	188,845
Net interest income after provision for credit losses	548,534	205,403
Non-interest Income:
Deposit service fees	45,436	47,827
Loan and lease related fees	23,005	22,679
Wealth and investment services	6,587	10,597
Mortgage banking activities	59	428
Increase in cash surrender value of life insurance policies	6,728	6,732
(Loss) on sale of investment securities	(16,747)	0
Other income	5,698	15,772
Total non-interest income	70,766	104,035
Non-interest Expense:
Compensation and benefits	173,200	184,002
Occupancy	20,171	18,615
Technology and equipment	44,366	55,401
Intangible assets amortization	9,497	6,387
Marketing	3,476	3,509
Professional and outside services	32,434	54,091
Deposit insurance	12,323	5,222
Other expense	37,000	32,558
Total non-interest expense	332,467	359,785
Income (loss) before income taxes	286,833	(50,347)
Income tax expense (benefit)	65,829	(33,600)
Net income (loss)	221,004	(16,747)
Less: Preferred stock dividends	4,163	3,431
Net income (loss) available to common stockholders	216,841	(20,178)
Earnings applicable to common stockholders	$ 216,841	$ (20,178)
Earnings (loss) per common share:
Basic (in dollars per share)	$ 1.24	$ (0.14)
Diluted (in dollars per share)	$ 1.24	$ (0.14)