Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
INTEREST INCOME
Interest and fees on loans and leases	$ 413,525	$ 214,404
Interest and dividends on investment securities:
Taxable	39,729	18,725
Exempt from federal income tax	3,397	1,372
Dividends	719	86
Interest on temporary investments and interest bearing deposits	18,581	1,353
Total interest income	475,951	235,940
INTEREST EXPENSE
Interest on deposits	63,613	3,916
Interest on securities sold under agreement to repurchase and federal funds purchased	406	63
Interest on borrowings	28,764	49
Interest on Junior and other subordinated debentures	8,470	3,149
Total interest expense	101,253	7,177
Net interest income	374,698	228,763
PROVISION FOR CREDIT LOSSES	105,539	4,804
Net interest income after provision for credit losses	269,159	223,959
NON-INTEREST INCOME
Residential mortgage banking revenue, net	7,816	60,786
Gain on sale of debt securities, net	0	2
Gain (loss) on equity securities, net	2,416	(2,661)
Gain on loan and lease sales, net	940	2,337
Bank owned life insurance income	2,790	2,087
Noninterest Income, Other Operating Income	13,603	(2,884)
Total non-interest income	54,735	79,969
NON-INTEREST EXPENSE
Salaries and employee benefits	136,092	113,138
Occupancy and equipment, net	41,700	34,829
Communications	3,026	2,754
Marketing	1,059	2,398
Services	12,843	11,337
FDIC assessments	6,113	4,516
Intangible amortization	12,660	1,025
Merger related expenses	115,898	2,278
Other expenses	13,427	10,155
Total non-interest expense	342,818	182,430
(Loss) income before provision for income taxes	(18,924)	121,498
(Benefit) provision for income taxes	(4,886)	30,341
Net (loss) income	$ (14,038)	$ 91,157
(Loss) earnings per common share (1):
Basic (in dollars per share)	$ (0.09)	$ 0.71
Diluted (in dollars per share)	$ (0.09)	$ 0.70
Weighted average number of common shares outstanding (1):
Basic (in shares)	156,383	129,159
Diluted (in shares)	156,383	129,693
Service charges on deposits
NON-INTEREST INCOME
Revenue from contract with customer	$ 14,312	$ 11,583
Card-based Fees
NON-INTEREST INCOME
Revenue from contract with customer	11,561	8,708
Financial services and trust revenue
NON-INTEREST INCOME
Revenue from contract with customer	$ 1,297	$ 11