CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income:
Loans	$ 541,210	$ 426,791
Money market investments	65,724	6,464
Investment securities	132,088	96,466
Total interest income	739,022	529,721
Interest expense:
Deposits	193,215	24,783
Short-term borrowings	2,885	80
Long-term debt	11,266	10,546
Total interest expense	207,366	35,409
Net interest income	531,656	494,312
Provision for credit losses (benefit)	47,637	(15,500)
Net interest income after provision for credit losses (benefit)	484,019	509,812
Mortgage banking activities	7,400	12,865
Net gain (loss), including impairment on equity securities	1,100	(2,094)
Net gain (loss) on trading account debt securities	378	(723)
Adjustments to indemnity reserves on loans sold	612	(745)
Other operating income	27,717	27,542
Total non-interest income	161,961	154,692
Operating expenses:
Personnel costs	198,760	166,996
Net occupancy expenses	26,039	24,723
Equipment expenses	8,412	8,389
Other taxes	16,291	15,715
Professional fees	33,431	36,792
Technology and software expenses	68,559	70,535
Processing and transactional services	33,909	30,953
Communications	4,088	3,673
Business promotion	18,871	15,083
FDIC deposit insurance	8,865	7,372
Other real estate owned (OREO) income	(1,694)	(2,713)
Other operating expenses	24,361	23,930
Amortization of intangibles	795	891
Total operating expenses	440,687	402,339
Income before income tax	205,293	262,165
Income tax expense	46,314	50,479
Net Income	158,979	211,686
Net Income Applicable to Common Stock	$ 158,626	$ 211,333
Net Income per Common Share - Basic	$ 2.22	$ 2.69
Net Income per Common Share - Diluted	$ 2.22	$ 2.69
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 34,678	$ 40,713
Other services
Interest expense:
Revenue from contract with customer	$ 90,076	$ 77,134