CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest Income:
Interest and fees on loans and leases	$ 29,212	$ 28,338	$ 58,858	$ 55,467
Interest on loans held for sale	309	190	662	339
Interest on deposits with banks	24	24	43	45
Interest and dividends on investment securities:
Taxable	3,919	4,662	7,853	9,605
Exempt from federal income taxes	2,315	2,343	4,642	4,716
Interest on federal funds sold	0	1	0	1
Total interest income	35,779	35,558	72,058	70,173
Interest Expense:
Interest on deposits	1,396	1,871	2,851	3,884
Interest on retail repurchase agreements and federal funds purchased	38	51	87	112
Interest on advances from FHLB	3,189	3,586	6,412	7,173
Interest on subordinated debt	224	241	450	490
Total interest expense	4,847	5,749	9,800	11,659
Net interest income	30,932	29,809	62,258	58,514
Provision (credit) for loan and lease losses	(2,876)	1,585	(2,798)	2,249
Net interest income after provision for loan and lease losses	33,808	28,224	65,056	56,265
Non-interest Income:
Investment securities gains	62	90	118	163
Total other-than-temporary impairment ("OTTI") losses	0	(8)	0	(72)
Portion of OTTI losses recognized in other comprehensive income, before taxes	0	0	0	0
Net OTTI recognized in earnings	0	(8)	0	(72)
Service charges on deposit accounts	2,150	2,283	4,219	4,483
Mortgage banking activities	1,237	1,288	2,764	2,313
Wealth management income	4,532	4,034	8,574	8,091
Insurance agency commissions	1,036	934	2,385	2,136
Income from bank owned life insurance	623	660	1,235	1,294
Visa check fees	1,079	962	2,036	1,860
Other income	1,496	1,250	3,303	2,199
Total non-interest income	12,215	11,493	24,634	22,467
Non-interest Expenses:
Salaries and employee benefits	16,163	15,927	32,509	31,628
Occupancy expense of premises	2,996	2,943	6,178	5,789
Equipment expenses	1,227	1,255	2,476	2,445
Marketing	755	565	1,270	1,060
Outside data services	1,114	1,828	2,266	3,107
FDIC insurance	581	653	1,177	1,305
Amortization of intangible assets	461	466	922	927
Other expenses	4,211	5,221	8,533	9,280
Total non-interest expenses	27,508	28,858	55,331	55,541
Income before income taxes	18,515	10,859	34,359	23,191
Income tax expense	6,353	3,652	11,639	7,508
Net income	$ 12,162	$ 7,207	$ 22,720	$ 15,683
Net Income Per Share Amounts:
Basic net income per share	$ 0.49	$ 0.30	$ 0.91	$ 0.65
Diluted net income per share	$ 0.49	$ 0.30	$ 0.91	$ 0.65
Dividends declared per share	$ 0.16	$ 0.12	$ 0.30	$ 0.22