Consolidated Statement of Income (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest and Fee Income:
Loans	$ 35,656	$ 41,363
Investment securities available for sale	4,788	5,218
Investment securities held to maturity	7,854	5,913
Total Interest and Fee Income	48,298	52,494
Interest Expense:
Deposits	1,187	1,890
Short-term borrowed funds	27	62
Term repurchase agreement	25
Federal Home Loan Bank advances	120	151
Debt financing and notes payable	200	200
Total Interest Expense	1,559	2,303
Net Interest Income	46,739	50,191
Provision for Loan Losses	2,800	2,800
Net Interest Income After Provision For Loan Losses	43,939	47,391
Noninterest Income:
Service charges on deposit accounts	7,095	7,521
Merchant processing services	2,393	2,171
Debit card fees	1,163	1,201
ATM processing fees	933	935
Trust fees	489	493
Financial services commissions	171	29
Other	2,425	2,393
Total Noninterest Income	14,669	14,743
Noninterest Expense:
Salaries and related benefits	15,046	15,075
Occupancy	3,934	4,025
Outsourced data processing services	2,083	2,456
Amortization of identifiable intangibles	1,402	1,548
Furniture and equipment	851	933
Courier service	785	843
Professional fees	767	850
Deposit insurance assessments	750	1,220
Other real estate owned	230	145
Other	4,186	4,228
Total Noninterest Expense	30,034	31,323
Income Before Income Taxes	28,574	30,811
Provision for income taxes	7,569	8,429
Net Income	$ 21,005	$ 22,382
Average Common Shares Outstanding (in Shares)	28,051	29,021
Diluted Average Common Shares Outstanding (in Shares)	28,111	29,225
Per Common Share Data:
Basic earnings (in Dollars per share)	$ 0.75	$ 0.77
Diluted earnings (in Dollars per share)	$ 0.75	$ 0.77
Dividends paid (in Dollars per share)	$ 0.37	$ 0.36