Consolidated Statement of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income
Loans and leases, including fees	$ 1,849,656	$ 870,600
Investment securities
Fully taxable	181,587	39,132
Exempt from federal taxes	16,611	50
Deposits at banks	278,417	18,280
Other	714	194
Total interest income	2,326,985	928,256
Interest expense
Savings and interest-checking deposits	277,068	6,747
Time deposits	89,197	1,397
Short-term borrowings	57,776	1
Long-term borrowings	84,680	15,937
Total interest expense	508,721	24,082
Net interest income	1,818,264	904,174
Provision for credit losses	120,000	10,000
Net interest income after provision for credit losses	1,698,264	894,174
Other income
Brokerage services income	24,041	20,190
Trading account and other non-hedging derivative gains	11,675	5,369
Gain (loss) on bank investment securities	(416)	(743)
Other revenues from operations	159,500	136,203
Total other income	587,133	540,887
Other expense
Salaries and employee benefits	807,942	577,520
Equipment and net occupancy	126,904	85,812
Outside data processing and software	105,780	79,719
FDIC assessments	29,758	15,576
Advertising and marketing	31,063	16,024
Printing, postage and supplies	14,183	10,150
Amortization of core deposit and other intangible assets	17,208	1,256
Other costs of operations	226,392	173,684
Total other expense	1,359,230	959,741
Income before taxes	926,167	475,320
Income taxes	224,543	113,146
Net income	701,624	362,174
Net income available to common shareholders
Basic	675,508	339,589
Diluted	$ 675,511	$ 339,590
Net income per common share
Basic	$ 4.03	$ 2.63
Diluted	$ 4.01	$ 2.62
Average common shares outstanding
Basic	167,732	128,945
Diluted	168,410	129,416
Mortgage Banking Revenues [Member]
Other income
Revenue from contract with customer	$ 84,985	$ 109,148
Service Charges on Deposit Accounts [Member]
Other income
Revenue from contract with customer	113,546	101,507
Trust Income [Member]
Other income
Revenue from contract with customer	$ 193,802	$ 169,213