Consolidated Statements of Income (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest and Fee Income:
Loans	$ 27,399	$ 35,656
Investment securities available for sale	5,336	4,788
Investment securities held to maturity	7,730	7,854
Total Interest and Fee Income	40,465	48,298
Interest Expense:
Deposits	899	1,187
Short-term borrowed funds	11	27
Term repurchase agreement	24	25
Federal Home Loan Bank advances	118	120
Debt financing	200	200
Total Interest Expense	1,252	1,559
Net Interest Income	39,213	46,739
Provision for Loan Losses	2,800	2,800
Net Interest Income After Provision For Loan Losses	36,413	43,939
Noninterest Income:
Service charges on deposit accounts	6,542	7,095
Merchant processing services	2,409	2,393
Debit card fees	1,358	1,163
ATM processing fees	705	933
Trust fees	568	489
Financial services commissions	180	171
Other	2,516	2,425
Total Noninterest Income	14,278	14,669
Noninterest Expense:
Salaries and related benefits	14,403	15,046
Occupancy	3,886	3,934
Outsourced data processing services	2,157	2,083
Amortization of identifiable intangibles	1,219	1,402
Furniture and equipment	880	851
Courier service	741	785
Professional fees	635	767
Other real estate owned	334	230
Other	4,422	4,936
Total Noninterest Expense	28,677	30,034
Income Before Income Taxes	22,014	28,574
Provision for income taxes	4,743	7,569
Net Income	$ 17,271	$ 21,005
Average Common Shares Outstanding (in Shares)	27,145	28,051
Diluted Average Common Shares Outstanding (in Shares)	27,157	28,111
Per Common Share Data:
Basic earnings (in Dollars per share)	$ 0.64	$ 0.75
Diluted earnings (in Dollars per share)	$ 0.64	$ 0.75
Dividends paid (in Dollars per share)	$ 0.37	$ 0.37