Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Income
Interest and fees on loans	$ 166,071	$ 150,482
Interest and dividends on investment securities:
Taxable	13,999	14,932
Tax-exempt	3,690	3,612
Dividends	1,480	1,739
Interest on federal funds sold and other short-term investments	357	220
Total interest income	185,597	170,985
Interest Expense
Savings, NOW and money market	9,243	5,995
Time	9,585	7,974
Interest on short-term borrowings	1,872	94
Interest on long-term borrowings and junior subordinated debentures	16,744	24,836
Total interest expense	37,444	38,899
Net Interest Income	148,153	132,086
Provision for credit losses	800	0
Net Interest Income After Provision for Credit Losses	147,353	132,086
Non-Interest Income
Trust and investment services	2,440	2,494
Insurance commissions	4,708	4,205
Service charges on deposit accounts	5,103	5,290
Gains on securities transactions, net	271	2,416
Fees from loan servicing	1,594	1,603
Gains on sales of loans, net	1,795	598
(Losses) gains on sales of assets, net	(10)	281
Bank owned life insurance	1,963	1,764
Change in FDIC loss-share receivable	(560)	(3,920)
Other	4,144	3,914
Total non-interest income	21,448	18,645
Non-Interest Expense
Salary and employee benefits expense	60,259	56,712
Net occupancy and equipment expense	22,789	22,200
FDIC insurance assessment	5,099	3,792
Amortization of other intangible assets	2,849	2,393
Professional and legal fees	3,895	3,341
Amortization of tax credit investments	7,264	4,496
Telecommunication expense	2,386	2,006
Other	13,684	13,178
Total non-interest expense	118,225	108,118
Income Before Income Taxes	50,576	42,613
Income tax expense	14,389	12,272
Net Income	36,187	30,341
Dividends on preferred stock	1,797	0
Net Income Available to Common Shareholders	$ 34,390	$ 30,341
Earnings Per Common Share:
Basic (in usd per share)	$ 0.14	$ 0.13
Diluted (in usd per share)	0.14	0.13
Cash Dividends Declared per Common Share (in usd per share)	$ 0.11	$ 0.11
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	254,075,349	232,338,775
Diluted (in shares)	254,347,420	232,341,921