CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest Income
Interest and fees on loans	$ 317,365	$ 313,181
Interest and dividends on investment securities:
Taxable	18,439	13,166
Tax-exempt	2,517	3,356
Dividends	1,676	1,871
Interest on federal funds sold and other short-term investments	461	224
Total interest income	340,458	331,798
Interest on deposits:
Savings, NOW and money market	9,627	11,125
Time	2,831	11,093
Interest on short-term borrowings	806	1,758
Interest on long-term borrowings and junior subordinated debentures	9,525	15,155
Total interest expense	22,789	39,131
Net Interest Income	317,669	292,667
Provision (credit) for credit losses for held to maturity securities	57	(358)
Provision for credit losses for loans	3,500	9,014
Net Interest Income After Provision for Credit Losses	314,112	284,011
Non-Interest Income
Insurance commissions	1,859	1,558
(Losses) gains on securities transactions, net	(1,072)	101
Fees from loan servicing	2,781	2,899
Gains on sales of loans, net	986	3,513
Bank owned life insurance	2,046	2,331
Other	21,327	12,399
Total non-interest income	39,270	31,233
Non-Interest Expense
Salary and employee benefits expense	107,733	88,103
Net occupancy and equipment expense	36,806	32,259
FDIC insurance assessment	4,158	3,276
Amortization of other intangible assets	4,437	6,006
Professional and legal fees	14,749	6,272
Amortization of tax credit investments	2,896	2,744
Telecommunication expense	3,271	3,160
Other	23,290	18,393
Total non-interest expense	197,340	160,213
Income Before Income Taxes	156,042	155,031
Income tax expense	39,314	39,321
Net Income	116,728	115,710
Dividends on preferred stock	3,172	3,172
Net Income Available to Common Shareholders	$ 113,556	$ 112,538
Earnings Per Common Share:
Basic (usd per share)	$ 0.27	$ 0.28
Diluted (usd per share)	0.27	0.28
Cash Dividends Declared per Common Share (usd per share)	$ 0.11	$ 0.11
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	421,573,843	405,152,605
Diluted (in shares)	423,506,550	407,636,765
Trust and investment services
Non-Interest Income
Revenue from contracts with customer	$ 5,131	$ 3,329
Service charges on deposit accounts
Non-Interest Income
Revenue from contracts with customer	$ 6,212	$ 5,103