Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Loans including fees:
Taxable	$ 62,706	$ 43,635	$ 165,058	$ 132,416
Nontaxable	2,361	2,479	7,018	7,145
Investment securities, available-for-sale:
Taxable	13,197	16,470	39,730	57,021
Nontaxable	3,331	3,620	10,172	12,700
Investment securities, held-to-maturity, taxable	5,487	6,671	18,039	16,230
Money market and other interest-earning investments	87	70	341	371
Total interest income	87,169	72,945	240,358	225,883
Interest Expense
Deposits	9,401	11,428	28,989	37,971
Short-term borrowings	132	132	390	527
Other borrowings	5,044	7,217	14,701	22,946
Total interest expense	14,577	18,777	44,080	61,444
Net interest income	72,592	54,168	196,278	164,439
Provision for loan losses	(82)	6,400	6,437	23,681
Net interest income after provision for loan losses	72,674	47,768	189,841	140,758
Noninterest Income
Wealth management fees	5,094	3,847	15,521	12,097
Service charges on deposit accounts	14,048	12,411	38,062	37,507
ATM fees	6,766	5,821	18,736	17,278
Mortgage banking revenue	699	644	2,560	1,765
Insurance premiums and commissions	8,335	8,691	27,916	27,809
Investment product fees	2,977	2,325	8,504	6,613
Company-owned life insurance	1,393	1,034	3,863	3,059
Net securities gains	2,861	3,281	5,026	12,792
Total other-than-temporary impairment losses	(140)	(39)	(1,872)	(4,441)
Loss recognized in other comprehensive income	140	0	1,373	1,133
Impairment losses recognized in earnings	0	(39)	(499)	(3,308)
Gain on derivatives	149	370	702	1,386
Gain on sale leaseback transactions	1,636	1,636	4,909	4,815
Change in FDIC indemnification asset	535	0	535	0
Other income	2,833	1,958	7,901	6,132
Total noninterest income	47,326	41,979	133,736	127,945
Noninterest Expense
Salaries and employee benefits	52,325	41,696	139,930	125,214
Occupancy	13,328	11,723	37,826	35,781
Equipment	2,878	2,623	8,720	8,049
Marketing	1,294	1,527	4,193	4,274
Data processing	5,703	5,124	17,538	16,273
Communication	2,529	2,329	7,507	7,489
Professional fees	5,905	1,600	10,462	5,477
Loan expense	1,139	980	3,351	2,996
Supplies	646	710	2,191	2,179
Loss on extinguishment of debt	0	870	0	2,274
FDIC assessment	1,657	2,077	5,621	6,201
Amortization of intangibles	2,106	1,501	5,868	4,627
Other expense	5,648	3,342	11,634	10,199
Total noninterest expense	95,158	76,102	254,841	231,033
Income before income taxes	24,842	13,645	68,736	37,670
Income tax expense	8,045	1,749	18,490	5,182
Net income	$ 16,797	$ 11,896	$ 50,246	$ 32,488
Net income per common share - basic	$ 0.18	$ 0.13	$ 0.53	$ 0.37
Net income per common share - diluted	$ 0.18	$ 0.13	$ 0.53	$ 0.37
Weighted average number of common shares outstanding-basic	94,492	86,795	94,468	86,778
Weighted average number of common shares outstanding-diluted	94,785	86,931	94,722	86,890
Dividends per common share	$ 0.07	$ 0.07	$ 0.21	$ 0.21