CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income:
Loans, including fees	$ 629,557	$ 361,091
Investment securities available for sale	61,054	47,249
Loans held for sale	5,577	6,182
Federal Reserve Bank balances	16,818	788
Other earning assets	3,873	752
Total interest income	716,879	416,062
Interest expense:
Deposits	173,935	13,659
Long-term debt	42,529	10,144
Other borrowings	19,664	11
Total interest expense	236,128	23,814
Net interest income	480,751	392,248
Provision for (reversal of) credit losses	32,154	11,400
Net interest income after provision for (reversal of) credit losses	448,597	380,848
Non-interest revenue:
Service charges on deposit accounts	22,974	22,539
Fiduciary and asset management fees	19,696	20,277
Card fees	15,824	14,756
Brokerage revenue	22,558	14,655
Mortgage banking income	3,858	5,953
Capital markets income	13,725	5,472
Income from bank-owned life insurance	7,262	6,556
Investment securities gains (losses), net	1,030	0
Recovery of NPA	13,126	0
Other non-interest revenue	13,073	15,126
Total non-interest revenue	133,126	105,334
Non-interest expense:
Salaries and other personnel expense	188,924	164,684
Net occupancy, equipment, and software expense	42,860	42,877
Third-party processing and other services	21,833	20,996
Professional fees	8,963	8,474
FDIC insurance and other regulatory fees	10,268	6,250
Restructuring charges (reversals)	(733)	(6,424)
Loss on other loans held for sale	16,750	0
Other operating expense	32,987	35,593
Total non-interest expense	321,852	272,450
Income before income taxes	259,871	213,732
Income tax expense	57,712	42,695
Net income	202,159	171,037
Less: Preferred stock dividends	8,291	8,291
Net income available to common shareholders	$ 193,868	$ 162,746
Net income per common share, basic (in dollars per share)	$ 1.33	$ 1.12
Net income per common share, diluted (in dollars per share)	$ 1.32	$ 1.11
Weighted average common shares outstanding, basic (in shares)	145,799	145,273
Weighted average common shares outstanding, diluted (in shares)	146,727	146,665