Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
INTEREST INCOME
Interest and fees on loans and leases	$ 219,488	$ 223,972	$ 651,979	$ 536,950
Interest and dividends on investment securities:
Taxable	11,639	12,136	34,458	34,155
Exempt from federal income tax	2,637	2,790	8,014	7,599
Dividends	113	81	382	259
Interest on temporary investments and interest bearing deposits	440	544	1,814	1,407
Total interest income	234,317	239,523	696,647	580,370
INTEREST EXPENSE
Interest on deposits	7,450	6,773	21,934	16,696
Interest on securities sold under agreement to repurchase	43	54	134	298
Interest on term debt	3,629	3,586	10,585	9,223
Interest on junior subordinated debentures	3,465	3,394	10,208	8,340
Total interest expense	14,587	13,807	42,861	34,557
Net interest income	219,730	225,716	653,786	545,813
PROVISION FOR LOAN AND LEASE LOSSES	8,153	14,333	32,044	35,000
Net interest income after provision for loan and lease losses	211,577	211,383	621,742	510,813
NON-INTEREST INCOME
Service charges on deposits	15,638	16,090	44,759	39,228
Brokerage revenue	5,003	4,882	14,420	13,173
Residential mortgage banking revenue, net	24,041	25,996	92,282	60,776
Gain on investment securities, net	220	902	355	1,878
Gain on loan sales	5,212	8,309	20,651	9,383
Loss on junior subordinated debentures carried at fair value	(1,590)	(1,590)	(4,717)	(3,501)
Change in FDIC indemnification asset	1,432	(2,728)	(1,053)	(13,169)
BOLI income	1,656	2,161	6,460	4,864
Other income	8,737	8,143	31,186	18,237
Total non-interest income	60,349	62,165	204,343	130,869
NON-INTEREST EXPENSE
Salaries and employee benefits	105,974	102,564	324,683	251,340
Occupancy and equipment, net	37,235	33,029	104,253	78,276
Communications	4,443	3,932	15,131	11,000
Marketing	2,860	2,739	7,936	4,901
Services	10,285	14,619	35,063	33,010
FDIC assessments	3,369	3,038	9,738	7,476
(Gain) loss on other real estate owned, net	(158)	313	2,136	507
Intangible amortization	2,806	3,103	8,419	7,105
Merger related expenses	5,991	8,632	41,870	72,146
Other expenses	9,881	10,589	28,452	27,446
Total non-interest expense	182,686	182,558	577,681	493,207
Income before provision for income taxes	89,240	90,990	248,404	148,475
Provision for income taxes	31,633	32,107	88,884	53,399
Net income	57,607	58,883	159,520	95,076
Dividends and undistributed earnings allocated to participating securities	84	142	261	338
Net earnings available to common shareholders	$ 57,523	$ 58,741	$ 159,259	$ 94,738
Earnings per common share:
Basic (in usd per share)	$ 0.26	$ 0.27	$ 0.72	$ 0.54
Diluted (in usd per share)	$ 0.26	$ 0.27	$ 0.72	$ 0.54
Weighted average number of common shares outstanding:
Basic (in shares)	220,297	217,245	220,370	175,627
Diluted (in shares)	220,904	218,941	221,062	176,656