Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
INTEREST INCOME
Interest and fees on loans and leases	$ 214,404	$ 221,141
Interest and dividends on investment securities:
Taxable	18,725	13,112
Exempt from federal income tax	1,372	1,534
Dividends	86	598
Interest on temporary investments and interest bearing deposits	1,353	624
Total interest income	235,940	237,009
INTEREST EXPENSE
Interest on deposits	3,916	10,678
Interest on securities sold under agreement to repurchase and federal funds purchased	63	76
Interest on borrowings	49	1,772
Interest on junior subordinated debentures	3,149	3,052
Total interest expense	7,177	15,578
Net interest income	228,763	221,431
PROVISION FOR CREDIT LOSSES	4,804	0
Net interest income after provision for credit losses	223,959	221,431
NON-INTEREST INCOME
Residential mortgage banking revenue, net	60,786	65,033
Gain on sale of debt securities, net	2	4
Loss on equity securities, net	(2,661)	(706)
Gain on loan and lease sales, net	2,337	1,373
Bank owned life insurance income	2,087	2,071
Noninterest Income, Other Operating Income	(2,884)	20,089
Total non-interest income	79,969	108,800
NON-INTEREST EXPENSE
Salaries and employee benefits	113,138	124,134
Occupancy and equipment, net	34,829	34,635
Communications	2,754	2,763
Marketing	2,398	1,372
Services	11,337	10,750
FDIC assessments	4,516	2,599
Intangible amortization	1,025	1,130
Merger related expenses	2,278	0
Other expenses	10,155	10,209
Total non-interest expense	182,430	187,592
Income before provision for income taxes	121,498	142,639
Provision for income taxes	30,341	34,902
Net income	$ 91,157	$ 107,737
Earnings per common share:
Basic (in dollars per share)	$ 0.42	$ 0.49
Diluted (in dollars per share)	$ 0.42	$ 0.49
Weighted average number of common shares outstanding:
Basic (in shares)	216,782	220,367
Diluted (in shares)	217,392	220,891
Income (Loss) Attributable to Parent, before Tax	$ 121,498	$ 142,639
Service charges on deposits
NON-INTEREST INCOME
Revenue from contract with customer	11,583	9,647
Card-based Fees
NON-INTEREST INCOME
Revenue from contract with customer	8,708	7,374
Brokerage revenue
NON-INTEREST INCOME
Revenue from contract with customer	$ 11	$ 3,915