CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
INTEREST INCOME
Loans	$ 58,900	$ 54,720
Securities:
Taxable interest	18,961	18,465
Tax-exempt interest	9,907	9,760
Total securities income	28,868	28,225
Federal funds and resell agreements	33	24
Interest-bearing due from banks	1,123	669
Trading securities	123	264
Total interest income	89,047	83,902
INTEREST EXPENSE
Deposits	3,059	3,792
Federal funds purchased and repurchase agreements	481	567
Other	62	60
Total interest expense	3,602	4,419
Net interest income	85,445	79,483
Provision for loan losses	4,500	2,000
Net interest income after provision for loan losses	80,945	77,483
NONINTEREST INCOME
Trust and securities processing	71,563	62,312
Trading and investment banking	4,323	7,109
Service charges on deposit accounts	21,558	21,523
Insurance fees and commissions	603	961
Brokerage fees	1,815	2,946
Bankcard fees	15,623	16,439
Gain on sales of securities available for sale, net	1,470	5,893
Equity earnings on alternative investments	2,530
Other	3,479	3,833
Total noninterest income	122,964	121,016
NONINTEREST EXPENSE
Salaries and employee benefits	88,881	83,702
Occupancy, net	9,705	9,887
Equipment	12,663	11,934
Supplies and services	4,637	4,487
Marketing and business development	4,602	4,272
Processing fees	13,651	14,090
Legal and consulting	3,372	3,600
Bankcard	3,688	4,547
Amortization of other intangible assets	3,102	3,456
Regulatory fees	2,516	1,911
Contingency reserve (Note 7)	15,000
Other	10,424	8,492
Total noninterest expense	172,241	150,378
Income before income taxes	31,668	48,121
Income tax expense	8,255	13,180
NET INCOME	$ 23,413	$ 34,941
PER SHARE DATA
Net income - basic	$ 0.52	$ 0.88
Net income - diluted	$ 0.52	$ 0.87
Dividends	$ 0.225	$ 0.215
Weighted average shares outstanding	44,742,068	39,881,505