CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest Income
Interest and fees on loans	$ 333,068	$ 288,277
Interest and dividends on investment securities:
Taxable	21,933	22,876
Tax-exempt	3,926	4,804
Dividends	3,401	3,174
Interest on federal funds sold and other short-term investments	1,465	1,093
Total interest income	363,793	320,224
Interest on deposits:
Savings, NOW and money market	34,513	36,283
Time	42,814	38,171
Interest on short-term borrowings	4,707	12,549
Interest on long-term borrowings and junior subordinated debentures	16,420	14,573
Total interest expense	98,454	101,576
Net Interest Income	265,339	218,648
Provision for credit losses for held to maturity securities	759	0
Provision for credit losses for loans	33,924	8,000
Net Interest Income After Provision for Credit Losses	230,656	210,648
Non-Interest Income
Insurance commissions	1,951	2,525
Losses on securities transactions, net	(40)	(32)
Fees from loan servicing	2,748	2,430
Gains on sales of loans, net	4,550	4,576
Gains on sales of assets, net	121	77,720
Bank owned life insurance	3,142	1,887
Other	19,832	9,760
Total non-interest income	41,397	107,673
Non-Interest Expense
Salary and employee benefits expense	85,728	83,105
Net occupancy and equipment expense	32,441	27,886
FDIC insurance assessment	3,876	6,121
Amortization of other intangible assets	5,470	4,311
Professional and legal fees	6,087	5,271
Amortization of tax credit investments	3,228	7,173
Telecommunication expense	2,287	2,268
Other	16,539	11,660
Total non-interest expense	155,656	147,795
Income Before Income Taxes	116,397	170,526
Income tax expense	29,129	57,196
Net Income	87,268	113,330
Dividends on preferred stock	3,172	3,172
Net Income Available to Common Shareholders	$ 84,096	$ 110,158
Earnings Per Common Share:
Basic (usd per share)	$ 0.21	$ 0.33
Diluted (usd per share)	0.21	0.33
Cash Dividends Declared per Common Share (usd per share)	$ 0.11	$ 0.11
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	403,519,088	331,601,260
Diluted (in shares)	405,424,123	332,834,466
Trust and investment services
Non-Interest Income
Revenue from contracts with customer	$ 3,413	$ 2,904
Service charges on deposit accounts
Non-Interest Income
Revenue from contracts with customer	$ 5,680	$ 5,903