Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest Income
Interest and fees on loans	$ 158,164	$ 136,338	$ 308,646	$ 267,417
Interest and dividends on investment securities:
Taxable	12,233	15,709	27,165	32,165
Tax-exempt	3,595	3,700	7,207	7,386
Dividends	1,616	1,390	3,355	3,180
Interest on federal funds sold and other short-term investments	146	27	366	54
Total interest income	175,754	157,164	346,739	310,202
Interest Expense
Savings, NOW and money market	5,911	4,530	11,906	8,811
Time	8,128	6,683	16,102	13,215
Interest on short-term borrowings	207	304	301	622
Interest on long-term borrowings and junior subordinated debentures	25,331	28,228	50,167	56,111
Total interest expense	39,577	39,745	78,476	78,759
Net Interest Income	136,177	117,419	268,263	231,443
Provision for credit losses	4,500	(5,671)	4,500	(1,673)
Net Interest Income After Provision for Credit Losses	131,677	123,090	263,763	233,116
Non-Interest Income
Trust and investment services	2,576	2,244	5,070	4,686
Insurance commissions	4,130	4,491	8,335	8,989
Service charges on deposit accounts	5,263	5,636	10,553	11,387
(Losses) gains on securities transactions, net	(92)	7	2,324	(1)
Fees from loan servicing	1,642	1,786	3,245	3,456
Gains on sales of loans, net	422	679	1,020	1,592
Gains on sales of assets, net	200	276	481	128
Bank owned life insurance	1,618	1,614	3,382	3,022
Change in FDIC loss-share receivable	595	(7,711)	(3,325)	(7,787)
Other	3,846	3,512	7,760	7,800
Total non-interest income	20,200	12,534	38,845	33,272
Non-Interest Expense
Salary and employee benefits expense	54,574	47,094	111,286	95,182
Net occupancy and equipment expense	22,132	17,973	44,332	38,697
FDIC insurance assessment	4,012	3,393	7,804	6,680
Amortization of other intangible assets	2,096	2,346	4,489	4,697
Professional and legal fees	4,059	4,384	7,400	8,062
Amortization of tax credit investments	4,511	5,802	9,007	9,518
Advertising	1,631	533	3,360	1,150
Telecommunication expense	2,045	1,643	4,051	3,349
Other	12,352	11,185	23,801	23,117
Total non-interest expense	107,412	94,353	215,530	190,452
Income Before Income Taxes	44,465	41,271	87,078	75,936
Income tax expense	12,474	11,751	24,746	12,581
Net Income	$ 31,991	$ 29,520	$ 62,332	$ 63,355
Earnings Per Common Share:
Basic (in usd per share)	$ 0.14	$ 0.15	$ 0.27	$ 0.32
Diluted (in usd per share)	0.14	0.15	0.27	0.32
Cash Dividends Declared per Common Share (in usd per share)	$ 0.11	$ 0.11	$ 0.22	$ 0.22
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	232,565,404	200,472,592	232,452,716	200,301,438
Diluted (in shares)	232,586,616	200,472,592	232,457,748	200,301,438