Consolidated 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 dividend income:
Interest and fees on loans	$ 32,184	$ 31,976	$ 63,861	$ 63,729
Interest and dividends on securities available for sale:
Total interest and dividends on securities available for sale	6,223	6,592	12,014	13,478
Interest on held to maturity securities:
Total interest on held to maturity securities	1,835	2,307	3,738	4,832
Interest on federal funds sold and other short-term investments	254	228	500	392
Total interest income	40,496	41,103	80,113	82,431
Interest on deposits:
Interest-bearing checking	70	172	135	341
Savings	885	857	1,818	1,666
Money market deposit accounts	1,184	1,342	2,411	2,621
Time deposits	4,099	6,432	8,542	13,251
Interest on short-term borrowings	382	455	789	911
Total interest expense	6,620	9,258	13,695	18,790
Net interest income	33,876	31,845	66,418	63,641
Provision for loan losses	4,850	7,100	9,450	11,800
Net interest income after provision for loan losses	29,026	24,745	56,968	51,841
Noninterest income:
Trust department income	1,186	1,176	2,760	2,537
Fees for services to customers	2,325	2,646	4,419	4,939
Net gain on securities transactions	851	1,537	1,138	1,541
Other	209	292	525	498
Total noninterest income	4,571	5,651	8,842	9,515
Noninterest expenses:
Salaries and employee benefits	7,000	6,556	14,026	13,290
Net occupancy expense	3,672	3,511	7,409	7,012
Equipment expense	1,481	1,464	2,813	2,884
Professional services	1,681	1,565	3,166	2,968
Outsourced services	1,350	1,418	2,700	2,839
Advertising expense	708	796	1,414	1,322
FDIC and other insurance	1,392	1,535	3,243	3,057
Other real estate expense, net	2,095	794	3,685	2,747
Other	2,173	1,596	3,942	3,205
Total noninterest expenses	21,552	19,235	42,398	39,324
Income before taxes	12,045	11,161	23,412	22,032
Income taxes	4,279	4,037	8,264	7,973
Net income	7,766	7,124	15,148	14,059
Net income per Common Share:
- Basic (in dollars per share)	$ 0.100	$ 0.093	$ 0.196	$ 0.183
- Diluted (in dollars per share)	$ 0.100	$ 0.093	$ 0.196	$ 0.183
U. S. Government Sponsored Enterprises [Member]
Interest and dividends on securities available for sale:
Total interest and dividends on securities available for sale	3,791	3,588	6,990	7,185
Interest on held to maturity securities:
Total interest on held to maturity securities	0	50	0	487
State and Political Subdivisions [Member]
Interest and dividends on securities available for sale:
Total interest and dividends on securities available for sale	640	891	1,424	1,846
Mortgage-Backed Securities and Collateralized Mortgage Obligations-Residential [Member]
Interest and dividends on securities available for sale:
Total interest and dividends on securities available for sale	622	944	1,230	2,114
Interest on held to maturity securities:
Total interest on held to maturity securities	1,240	1,455	2,428	2,700
Corporate Bonds [Member]
Interest and dividends on securities available for sale:
Total interest and dividends on securities available for sale	1,081	1,105	2,220	2,151
Interest on held to maturity securities:
Total interest on held to maturity securities	595	802	1,310	1,645
Other Securities [Member]
Interest and dividends on securities available for sale:
Total interest and dividends on securities available for sale	$ 89	$ 64	$ 150	$ 182