CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest Income
Interest and fees on loans	$ 186,773	$ 171,143	$ 547,647	$ 506,640
Interest and dividends on investment securities
Taxable	17,922	14,232	54,439	42,487
Tax-exempt	3,752	4,023	11,726	11,447
Dividends	2,657	1,612	6,945	4,408
Interest on federal funds sold and other short-term investments	546	193	1,156	846
Total interest income	211,650	191,203	621,913	565,828
Interest on deposits
Savings, NOW and money market	15,641	10,165	38,538	29,369
Time	10,852	9,412	30,571	28,220
Interest on short-term borrowings	5,161	3,545	14,578	8,537
Interest on long-term borrowings and junior subordinated debentures	15,142	13,935	41,883	45,948
Total interest expense	46,796	37,057	125,570	112,074
Net Interest Income	164,854	154,146	496,343	453,754
Provision for credit losses	1,640	5,840	7,742	8,069
Net Interest Income After Provision for Credit Losses	163,214	148,306	488,601	445,685
Non-Interest Income
Trust and investment services	3,062	2,628	8,606	7,612
Insurance commissions	4,519	4,580	13,938	14,133
Service charges on deposit accounts	5,558	5,263	16,136	15,460
Gains (losses) on securities transactions, net	6	(10)	5	258
Fees from loan servicing	1,895	1,598	5,541	4,753
Gains on sales of loans, net	5,520	4,823	14,439	9,723
Bank owned life insurance	1,541	1,683	5,705	5,464
Other	3,987	4,288	11,467	13,162
Total non-interest income	26,088	24,853	75,837	70,565
Non-Interest Expense
Salary and employee benefits expense	67,062	58,107	192,116	174,438
Net occupancy and equipment expense	22,756	20,658	68,400	65,615
FDIC insurance assessment	4,603	4,804	14,658	14,998
Amortization of other intangible assets	2,498	2,675	7,596	8,452
Professional and legal fees	11,110	4,031	20,107	13,398
Amortization of tax credit investments	8,389	6,450	21,445	21,360
Telecommunication expense	2,464	2,459	7,830	7,139
Other	13,683	14,084	40,604	45,896
Total non-interest expense	132,565	113,268	372,756	351,296
Income Before Income Taxes	56,737	59,891	191,682	164,954
Income tax expense	17,088	17,049	55,873	46,898
Net Income	39,649	42,842	135,809	118,056
Dividends on preferred stock	2,683	1,797	6,277	5,391
Net Income Available to Common Shareholders	$ 36,966	$ 41,045	$ 129,532	$ 112,665
Earnings Per Common Share
Basic (usd per share)	$ 0.14	$ 0.16	$ 0.49	$ 0.44
Diluted (usd per share)	0.14	0.16	0.49	0.44
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)	264,058,174	254,473,994	263,938,786	254,310,769
Diluted (in shares)	264,936,220	254,940,307	264,754,845	254,698,593