CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interest Income
Interest and fees on loans	$ 309,753	$ 315,788	$ 938,248	$ 970,739
Interest and dividends on investment securities:
Taxable	14,292	14,845	40,174	56,225
Tax-exempt	2,609	3,606	9,181	11,224
Dividends	1,505	2,684	5,543	9,177
Interest on federal funds sold and other short-term investments	642	420	1,101	2,296
Total interest income	328,801	337,343	994,247	1,049,661
Interest on deposits:
Savings, NOW and money market	10,605	13,323	32,896	64,463
Time	4,394	19,028	21,766	91,699
Interest on short-term borrowings	1,464	2,588	4,390	9,275
Interest on long-term borrowings and junior subordinated debentures	11,312	19,318	40,595	53,240
Total interest expense	27,775	54,257	99,647	218,677
Net Interest Income	301,026	283,086	894,600	830,984
Provision (credit) for credit losses for held to maturity securities	35	(112)	(353)	688
Provision for credit losses for loans	3,496	31,020	21,287	106,059
Net Interest Income After Provision for Credit Losses	297,495	252,178	873,666	724,237
Non-Interest Income
Insurance commissions	1,610	1,816	5,805	5,426
Gains (losses) on securities transactions, net	787	(46)	1,263	(127)
Fees from loan servicing	2,894	2,551	8,980	7,526
Gains on sales of loans, net	6,442	13,366	20,016	26,253
Gains on sales of assets, net	344	894	380	716
Bank owned life insurance	2,018	(1,304)	6,824	7,661
Other	19,358	24,975	47,497	65,548
Total non-interest income	42,431	49,272	116,790	135,499
Non-Interest Expense
Salary and employee benefits expense	93,992	83,626	273,190	247,886
Net occupancy and equipment expense	32,402	31,116	97,112	96,774
FDIC insurance assessment	3,644	4,847	10,294	14,858
Amortization of other intangible assets	5,298	6,377	16,753	18,528
Professional and legal fees	13,492	8,762	27,250	22,646
Loss on extinguishment of debt	0	2,353	8,406	2,353
Amortization of tax credit investments	3,079	2,759	8,795	9,403
Telecommunication expense	2,615	2,094	8,507	7,247
Other	20,400	18,251	56,721	53,312
Total non-interest expense	174,922	160,185	507,028	473,007
Income Before Income Taxes	165,004	141,265	483,428	386,729
Income tax expense	42,424	38,891	124,626	101,486
Net Income	122,580	102,374	358,802	285,243
Dividends on preferred stock	3,172	3,172	9,516	9,516
Net Income Available to Common Shareholders	$ 119,408	$ 99,202	$ 349,286	$ 275,727
Earnings Per Common Share:
Basic (usd per share)	$ 0.29	$ 0.25	$ 0.86	$ 0.68
Diluted (usd per share)	0.29	0.25	0.86	0.68
Cash Dividends Declared per Common Share (usd per share)	$ 0.11	$ 0.11	$ 0.33	$ 0.33
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	406,824,160	403,833,469	405,986,114	403,714,701
Diluted (in shares)	409,238,001	404,788,526	408,509,767	404,912,126
Trust and investment services
Non-Interest Income
Revenue from contracts with customer	$ 3,550	$ 3,068	$ 10,411	$ 9,307
Service charges on deposit accounts
Non-Interest Income
Revenue from contracts with customer	$ 5,428	$ 3,952	$ 15,614	$ 13,189