Consolidated Statement of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
INTEREST INCOME
Interest and fees on loans	$ 145,527	$ 149,023
Interest and dividends on investment securities
Taxable	21,613	23,029
Tax exempt	6,965	7,274
Other interest	1,247	1,247
Total interest income	175,352	180,573
INTEREST EXPENSE
Interest on deposits	8,541	12,036
Interest on Federal funds purchased and securities sold under agreements to repurchase	410	767
Interest on other short-term funding	332	1,056
Interest on long-term funding	8,416	12,046
Total interest expense	17,699	25,905
NET INTEREST INCOME	157,653	154,668
Provision for loan losses	4,000	0
Net interest income after provision for loan losses	153,653	154,668
NONINTEREST INCOME
Trust service fees	10,910	9,787
Service charges on deposit accounts	16,829	18,042
Card-based and other nondeposit fees	11,950	10,879
Insurance commissions	11,763	11,590
Brokerage and annuity commissions	3,516	4,127
Mortgage banking, net	17,765	17,654
Capital market fees, net	2,583	3,716
Bank owned life insurance income	2,970	4,292
Asset gains (losses), net	836	(3,594)
Investment securities gains (losses), net:
Realized gains (losses), net	300	40
Other-than-temporary impairments	0	0
Less: Non-credit portion recognized in other comprehensive income (before taxes)	0	0
Total investment securities gains (losses), net	300	40
Other	2,578	1,913
Total noninterest income	82,000	78,446
NONINTEREST EXPENSE
Personnel expense	97,907	94,281
Occupancy	15,662	15,179
Equipment	6,167	5,468
Data processing	11,508	9,516
Business development and advertising	4,537	5,381
Other intangible amortization	1,011	1,049
Loan expense	3,284	2,910
Legal and professional fees	5,345	9,715
Losses other than loans	(316)	3,550
Foreclosure/OREO expense	2,422	3,362
FDIC expense	5,432	4,870
Other	13,956	14,481
Total noninterest expense	166,915	169,762
Income before income taxes	68,738	63,352
Income tax expense	21,350	20,719
Net income	47,388	42,633
Preferred stock dividends and discount accretion	1,300	1,300
Net income available to common equity	$ 46,088	$ 41,333
Earnings per common share:
Basic	$ 0.27	$ 0.24
Diluted	$ 0.27	$ 0.24
Average common shares outstanding:
Basic	168,234	173,846
Diluted	168,404	173,848