Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
INTEREST INCOME
Interest and fees on loans and leases	$ 575,044	$ 413,525
Interest and dividends on investment securities:
Taxable	75,017	39,729
Exempt from federal income tax	6,904	3,397
Dividends	3,707	719
Interest on temporary investments and interest-bearing deposits	23,553	18,581
Total interest income	684,225	475,951
INTEREST EXPENSE
Interest on deposits	198,435	63,613
Interest on securities sold under agreement to repurchase and federal funds purchased	1,266	406
Interest on borrowings	51,275	28,764
Interest on junior and other subordinated debentures	9,887	8,470
Total interest expense	260,863	101,253
Net interest income	423,362	374,698
PROVISION FOR CREDIT LOSSES	17,136	105,539
Net interest income after provision for credit losses	406,226	269,159
NON-INTEREST INCOME
Residential mortgage banking revenue, net	4,634	7,816
Gain on sale of debt securities, net	12	0
(Loss) gain on equity securities, net	(1,565)	2,416
Gain on loan and lease sales, net	221	940
Bank-owned life insurance income	4,639	2,790
Noninterest Income, Other Operating Income	8,705	13,603
Total non-interest income	50,357	54,735
NON-INTEREST EXPENSE
Salaries and employee benefits	154,538	136,092
Occupancy and equipment, net	45,291	41,700
Communications	3,782	3,026
Marketing	1,936	1,059
Services	13,422	12,843
FDIC assessments	14,460	6,113
Intangible amortization	32,091	12,660
Business Combination, Acquisition Related Costs	4,478	115,898
Other expenses	17,518	13,427
Total non-interest expense	287,516	342,818
Income (loss) before provision for income taxes	169,067	(18,924)
Provision (benefit) for income taxes	44,987	(4,886)
Net income (loss)	$ 124,080	$ (14,038)
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.60	$ (0.09)
Diluted (in dollars per share)	$ 0.59	$ (0.09)
Weighted average number of common shares outstanding:
Basic (in shares)	208,260	156,383
Diluted (in shares)	208,956	156,383
Service charges on deposits
NON-INTEREST INCOME
Revenue from contract with customer	$ 16,064	$ 14,312
Card-based Fees
NON-INTEREST INCOME
Revenue from contract with customer	13,183	11,561
Financial services and trust revenue
NON-INTEREST INCOME
Revenue from contract with customer	$ 4,464	$ 1,297