Statements of Income - Unaudited (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Interest And Fee Income Loans And Leases Abstract
Interest and fees on loans	$ 73,509	$ 64,935	$ 141,549	$ 126,504
Securities	1,680	2,491	3,526	5,217
Federal funds sold	5	40	33	42
Deposits in other banks	65	6	262	15
Total interest income	75,259	67,472	145,370	131,778
Interest Expense Abstract
Deposits	3,417	8,420	8,288	16,178
Federal funds purchased	94	244	201	609
Repurchase agreements	2	2	4	6
Other borrowings	14	1	14	48
Trust preferred submordinated debentures	638	920	1,271	1,824
Total interest expense	4,165	9,587	9,778	18,665
Net interest income	71,094	57,885	135,592	113,113
Provision for credit losses	8,000	14,500	15,500	28,000
Net interest income after provision for credit losses	63,094	43,385	120,092	85,113
Noninterest Income Abstract
Service charges on deposit accounts	1,608	1,539	3,391	3,022
Trust fee income	1,066	980	2,020	1,934
Bank Owned Life Insurance (BOLI) Income	539	481	1,062	952
Brokered loan fees	2,558	2,221	5,078	4,125
Equipment rental income	676	1,196	1,459	2,540
Other	1,504	1,619	2,625	2,411
Total non-interest income	7,951	8,036	15,635	14,984
Noninterest Expense Abstract
Salaries and employee benefits	24,109	21,393	48,281	41,462
Net occupancy expense	3,443	3,032	6,753	6,046
Leased equipment depreciation	447	1,035	1,003	2,094
Marketing	2,733	1,101	4,856	1,888
Legal and professional	4,264	3,298	6,987	5,248
Communications and technology	2,584	2,186	4,931	4,112
FDIC insurance assessment	1,972	2,241	4,483	4,109
Allowance and other carrying costs for OREO	1,023	808	5,053	3,100
Other	4,688	4,024	9,315	8,245
Total non-interest expense	45,263	39,118	91,662	76,304
Income from continuing operations before income taxes	25,782	12,303	44,065	23,793
Income tax expense	9,074	4,187	15,418	8,077
Income from continuing operations	16,708	8,116	28,647	15,716
Loss from discontinued operations (after-tax)	(54)	(54)	(114)	(109)
Net income	$ 16,654	$ 8,062	$ 28,533	$ 15,607
Earnings Per Share Basic Abstract
Income from continuing operations	$ 0.45	$ 0.22	$ 0.77	$ 0.43
Net income	$ 0.45	$ 0.22	$ 0.77	$ 0.43
Earnings Per Share Diluted Abstract
Income from continuing operations	$ 0.44	$ 0.22	$ 0.75	$ 0.42
Net income	$ 0.43	$ 0.22	$ 0.74	$ 0.42