Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
INTEREST INCOME
Interest and fees on loans and leases	$ 210,290	$ 217,143	$ 428,218	$ 431,018
Interest and dividends on investment securities:
Taxable	11,963	11,517	25,018	23,306
Exempt from federal income tax	2,183	2,410	4,418	4,891
Dividends	365	169	731	270
Interest on temporary investments and interest bearing deposits	652	549	1,132	1,374
Total interest income	225,453	231,788	459,517	460,859
INTEREST EXPENSE
Interest on deposits	8,540	7,381	16,953	14,484
Interest on securities sold under agreement to repurchase	32	43	68	91
Interest on term debt	3,848	3,492	8,034	6,956
Interest on junior subordinated debentures	3,835	3,406	7,562	6,743
Total interest expense	16,255	14,322	32,617	28,274
Net interest income	209,198	217,466	426,900	432,585
PROVISION FOR LOAN AND LEASE LOSSES	10,589	11,254	15,412	23,891
Net interest income after provision for loan and lease losses	198,609	206,212	411,488	408,694
NON-INTEREST INCOME
Service charges on deposits	15,667	14,811	30,183	29,085
Brokerage revenue	4,580	4,648	8,674	9,417
Residential mortgage banking revenue, net	36,783	40,014	52,209	68,241
Gain on investment securities, net	162	19	858	135
Gain on loan sales, net	5,640	8,711	8,011	15,439
Loss on junior subordinated debentures carried at fair value	(1,572)	(1,572)	(3,144)	(3,127)
BOLI income	2,152	2,043	4,291	4,345
Other income	11,247	12,428	19,528	21,472
Total non-interest income	74,659	81,102	120,610	145,007
NON-INTEREST EXPENSE
Salaries and employee benefits	107,545	110,807	214,083	218,251
Occupancy and equipment, net	37,850	34,868	76,145	67,018
Communications	5,296	5,894	10,859	10,688
Marketing	3,004	2,038	5,854	5,074
Services	11,529	10,866	22,200	24,993
FDIC assessments	3,693	3,155	7,414	6,369
(Gain) loss on other real estate owned, net	(1,457)	480	(68)	2,294
Intangible amortization	2,328	2,807	4,888	5,613
Merger related expenses	6,634	21,797	10,084	35,879
Goodwill impairment	0	0	142	0
Other expenses	12,089	9,206	20,899	18,358
Total non-interest expense	188,511	201,918	372,500	394,537
Income before provision for income taxes	84,757	85,396	159,598	159,164
Provision for income taxes	30,470	30,612	57,742	57,251
Net income	54,287	54,784	101,856	101,913
Dividends and undistributed earnings allocated to participating securities	32	93	61	177
Net earnings available to common shareholders	$ 54,255	$ 54,691	$ 101,795	$ 101,736
Earnings per common share:
Basic (in usd per share)	$ 0.25	$ 0.25	$ 0.46	$ 0.46
Diluted (in usd per share)	$ 0.25	$ 0.25	$ 0.46	$ 0.46
Weighted average number of common shares outstanding:
Basic (in shares)	220,421	220,463	220,324	220,406
Diluted (in shares)	220,907	221,150	221,001	221,088