Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
INTEREST INCOME
Interest and fees on loans	$ 146,629	$ 146,896	$ 290,016	$ 292,423
Interest and dividends on investment securities
Taxable	26,109	21,446	52,366	43,059
Tax exempt	7,030	6,785	14,001	13,750
Other interest	1,862	1,233	3,311	2,480
Total interest income	181,630	176,360	359,694	351,712
INTEREST EXPENSE
Interest on deposits	6,195	7,769	12,354	16,310
Interest on Federal funds purchased and securities sold under agreements to repurchase	306	333	611	743
Interest on other short-term funding	280	525	396	857
Interest on long-term funding	6,146	7,551	12,657	15,967
Total interest expense	12,927	16,178	26,018	33,877
NET INTEREST INCOME	168,703	160,182	333,676	317,835
Provision for credit losses	5,000	5,300	10,000	8,600
Net interest income after provision for credit losses	163,703	154,882	323,676	309,235
NONINTEREST INCOME
Trust service fees	12,017	11,405	23,728	22,315
Service charges on deposit accounts	17,412	17,443	33,812	34,272
Card-based and other nondeposit fees	12,577	12,591	25,086	24,541
Insurance commissions	13,651	9,631	25,968	21,394
Brokerage and annuity commissions	4,520	3,688	8,553	7,204
Mortgage banking, net	5,362	19,263	11,723	37,028
Capital market fees, net	2,099	5,074	4,421	7,657
Bank owned life insurance income	3,011	3,281	7,331	6,251
Asset gains (losses), net	899	(44)	1,627	792
Investment securities gains (losses), net	34	34	412	334
Other	665	1,944	3,107	4,522
Total noninterest income	72,247	84,310	145,768	166,310
NONINTEREST EXPENSE
Personnel expense	97,793	99,791	195,491	197,698
Occupancy	13,785	14,305	29,345	29,967
Equipment	6,227	6,462	12,503	12,629
Technology	14,594	12,651	27,318	24,159
Business development and advertising	5,077	5,028	10,139	9,565
Other intangible asset amortization	991	1,011	1,982	2,022
Loan expense	3,620	3,044	6,407	6,328
Legal and professional fees	4,436	5,483	8,624	10,828
Losses other than loans	381	499	925	883
Foreclosure/OREO expense	1,575	2,302	3,471	4,724
FDIC expense	4,945	4,395	9,946	9,827
Other	14,501	13,725	29,432	27,681
Total noninterest expense	167,925	168,696	335,583	336,311
Income before income taxes	68,025	70,496	133,861	139,234
Income tax expense	21,660	22,608	42,297	43,958
Net income	46,365	47,888	91,564	95,276
Preferred stock dividends	1,278	1,300	2,522	2,600
Net income available to common equity	$ 45,087	$ 46,588	$ 89,042	$ 92,676
Earnings per common share:
Basic	$ 0.28	$ 0.28	$ 0.55	$ 0.55
Diluted	$ 0.28	$ 0.28	$ 0.55	$ 0.55
Average common shares outstanding:
Basic	159,940	166,605	160,699	167,415
Diluted	160,838	166,748	161,513	167,552