Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
INTEREST INCOME
Interest and fees on loans and leases		$ 569,670	$ 278,830	$ 1,535,874	$ 727,908
Interest and dividends on investment securities:
Taxable		80,066	18,175	198,831	54,156
Exempt from federal income tax		6,929	1,322	17,143	4,063
Dividends		4,941	86	8,241	256
Interest on temporary investments and interest bearing deposits		34,407	5,115	87,604	9,387
Total interest income		696,013	303,528	1,847,693	795,770
INTEREST EXPENSE
Interest on deposits		126,974	9,090	290,995	17,021
Interest on securities sold under agreement to repurchase and federal funds purchased		1,220	545	2,697	674
Interest on borrowings		77,080	798	186,848	897
Interest on junior and other subordinated debentures		9,864	5,491	27,605	12,641
Total interest expense		215,138	15,924	508,145	31,233
Net interest income		480,875	287,604	1,339,548	764,537
PROVISION FOR CREDIT LOSSES		36,737	27,572	158,290	51,068
Net interest income after provision for credit losses		444,138	260,032	1,181,258	713,469
NON-INTEREST INCOME
Residential mortgage banking revenue, net		7,103	17,341	12,577	108,671
Gain on sale of debt securities, net		4	0	4	2
Loss on equity securities, net		(2,055)	(2,647)	(336)	(7,383)
Gain on loan and lease sales, net		1,871	1,525	3,253	5,165
Bank owned life insurance income		4,440	2,023	11,293	6,220
Noninterest Income, Other Operating Income		(5,117)	(10,571)	12,297	(12,670)
Total non-interest income		43,981	29,445	138,394	164,649
NON-INTEREST EXPENSE
Salaries and employee benefits		159,041	109,164	458,531	333,244
Occupancy and equipment, net		43,070	35,042	135,320	104,430
Communications		4,589	2,542	11,972	7,881
Marketing		2,886	1,505	5,882	5,552
Services		14,341	13,355	41,278	39,094
FDIC assessments		11,200	3,007	28,892	10,477
Intangible amortization		29,879	1,025	78,092	3,076
Merger related expenses		18,938	769	164,485	5,719
Other expenses		20,203	11,555	51,072	30,495
Total non-interest expense		304,147	177,964	975,524	539,968
Income before provision for income taxes		183,972	111,513	344,128	338,150
Provision for income taxes		48,127	27,473	88,944	84,362
Net income		$ 135,845	$ 84,040	$ 255,184	$ 253,788
Earnings per common share (1):
Basic (in dollars per share)	[1]	$ 0.65	$ 0.65	$ 1.34	$ 1.96
Diluted (in dollars per share)	[1]	$ 0.65	$ 0.65	$ 1.33	$ 1.96
Weighted average number of common shares outstanding (1):
Basic (in shares)	[1]	208,070	129,319	190,997	129,262
Diluted (in shares)	[1]	208,645	129,733	191,546	129,702
Service charges on deposits
NON-INTEREST INCOME
Revenue from contract with customer		$ 17,410	$ 12,632	$ 48,176	$ 36,226
Card-based Fees
NON-INTEREST INCOME
Revenue from contract with customer		15,674	9,115	40,670	28,353
Financial services and trust revenue
NON-INTEREST INCOME
Revenue from contract with customer		$ 4,651	$ 27	$ 10,460	$ 65

[1] Periods prior to February 28, 2023 have been restated as a result of the adjustment to common shares outstanding based on the exchange ratio from the Merger of 0.5958.