CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest Income
Interest and fees on loans	$ 288,277	$ 237,586
Interest and dividends on investment securities:
Taxable	22,876	21,323
Tax-exempt	4,804	5,721
Dividends	3,174	1,939
Interest on federal funds sold and other short-term investments	1,093	926
Total interest income	320,224	267,495
Interest on deposits:
Savings, NOW and money market	36,283	22,317
Time	38,171	14,616
Interest on short-term borrowings	12,549	5,732
Interest on long-term borrowings and junior subordinated debentures	14,573	17,232
Total interest expense	101,576	59,897
Net Interest Income	218,648	207,598
Provision for credit losses	8,000	10,948
Net Interest Income After Provision for Credit Losses	210,648	196,650
Non-Interest Income
Insurance commissions	2,525	3,821
Losses on securities transactions, net	(32)	(765)
Fees from loan servicing	2,430	2,223
Gains on sales of loans, net	4,576	6,753
Gains (losses) on sales of assets, net	77,720	(97)
Bank owned life insurance	1,887	1,763
Other	9,760	8,070
Total non-interest income	107,673	32,251
Non-Interest Expense
Salary and employee benefits expense	83,105	93,292
Net occupancy and equipment expense	27,886	27,924
FDIC insurance assessment	6,121	5,498
Amortization of other intangible assets	4,311	4,293
Professional and legal fees	5,271	17,047
Amortization of tax credit investments	7,173	5,274
Telecommunication expense	2,268	3,594
Other	11,660	16,830
Total non-interest expense	147,795	173,752
Income Before Income Taxes	170,526	55,149
Income tax expense	57,196	13,184
Net Income	113,330	41,965
Dividends on preferred stock	3,172	3,172
Net Income Available to Common Shareholders	$ 110,158	$ 38,793
Earnings Per Common Share:
Basic (usd per share)	$ 0.33	$ 0.12
Diluted (usd per share)	0.33	0.12
Cash Dividends Declared per Common Share (usd per share)	$ 0.11	$ 0.11
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	331,601,260	330,727,416
Diluted (in shares)	332,834,466	332,465,527
Trust and investment services
Non-Interest Income
Revenue from contracts with customer	$ 2,904	$ 3,230
Service charges on deposit accounts
Non-Interest Income
Revenue from contracts with customer	$ 5,903	$ 7,253