Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ 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 and leases	$ 223,321	$ 212,037	$ 642,315	$ 640,255
Interest and dividends on investment securities:
Taxable	13,979	10,779	43,130	35,797
Exempt from federal income tax	2,125	2,181	6,604	6,599
Dividends	357	332	1,105	1,063
Interest on temporary investments and interest bearing deposits	934	1,090	2,815	2,222
Total interest income	240,716	226,419	695,969	685,936
INTEREST EXPENSE
Interest on deposits	12,052	8,999	32,341	25,952
Interest on securities sold under agreement to repurchase and federal funds purchased	81	32	432	100
Interest on term debt	3,491	3,558	10,663	11,592
Interest on junior subordinated debentures	4,628	3,938	13,266	11,500
Total interest expense	20,252	16,527	56,702	49,144
Net interest income	220,464	209,892	639,267	636,792
PROVISION FOR LOAN AND LEASE LOSSES	11,997	13,091	34,326	28,503
Net interest income after provision for loan and lease losses	208,467	196,801	604,941	608,289
NON-INTEREST INCOME
Service charges on deposits	15,849	15,762	46,056	45,945
Brokerage revenue	3,832	4,129	11,857	12,803
Residential mortgage banking revenue, net	33,430	47,206	94,158	99,415
(Loss) gain on investment securities, net	(6)	0	27	858
Gain on loan sales, net	7,969	1,285	13,033	9,296
Loss on junior subordinated debentures carried at fair value	(1,590)	(1,590)	(4,717)	(4,734)
BOLI income	2,041	2,116	6,199	6,407
Other income	13,877	11,802	40,133	31,330
Total non-interest income	75,402	80,710	206,746	201,320
NON-INTEREST EXPENSE
Salaries and employee benefits	108,732	105,341	323,766	319,424
Occupancy and equipment, net	37,648	38,181	113,276	114,326
Communications	4,549	5,107	14,512	15,966
Marketing	1,950	2,124	6,057	7,978
Services	9,578	9,983	32,269	32,183
FDIC assessments	4,405	4,109	12,939	11,523
Gain on other real estate owned, net	(99)	(14)	(474)	(82)
Intangible amortization	1,689	1,867	5,067	6,755
Merger related expenses	6,664	2,011	9,324	12,095
Goodwill impairment	0	0	0	142
Other expenses	13,238	12,478	38,353	33,377
Total non-interest expense	188,354	181,187	555,089	553,687
Income before provision for income taxes	95,515	96,324	256,598	255,922
Provision for income taxes	34,182	34,515	92,450	92,257
Net income	61,333	61,809	164,148	163,665
Dividends and undistributed earnings allocated to participating securities	14	31	40	92
Net earnings available to common shareholders	$ 61,319	$ 61,778	$ 164,108	$ 163,573
Earnings per common share:
Basic (in usd per share)	$ 0.28	$ 0.28	$ 0.75	$ 0.74
Diluted (in usd per share)	$ 0.28	$ 0.28	$ 0.74	$ 0.74
Weighted average number of common shares outstanding:
Basic (in shares)	220,215	220,291	220,270	220,313
Diluted (in shares)	220,755	220,751	220,793	220,936