Consolidated Statements Of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest Income
Interest and fees on loans	$ 23,068	$ 23,738
Interest on investment securities:
Taxable	3,964	4,541
Tax-exempt	387	462
Interest on federal funds sold	11	13
Total Interest Income	27,430	28,754
Interest Expense
Interest on deposits	3,668	5,711
Interest on short-term borrowings	73	72
Interest on long-term debt	167	157
Total Interest Expense	3,908	5,940
Net Interest Income	23,522	22,814
Provision for loan losses	1,950	1,086
Net Interest Income After Provision for Loan Losses	21,572	21,728
Non-interest Income
Total investment securities impairment losses
Noncredit impairment losses recognized in other comprehensive income
Net investment securities impairment losses
Loss on sale of investment securities	(31)
Net investment securities loss	(31)
Service charges	9,090	9,054
Insurance commissions	1,996	1,621
Trust and investment management fee income	807	753
Bank-owned life insurance	723	758
Other income	533	476
Total Non-interest Income	13,118	12,662
Non-interest Expense
Salaries and employee benefits	10,245	9,912
Occupancy and equipment	1,935	2,106
Depreciation	1,086	1,136
FDIC insurance expense	385	952
Advertising	644	680
Bankcard expenses	620	501
Postage, delivery, and statement mailings	548	554
Office supplies	455	539
Legal and professional fees	447	469
Telecommunications	389	429
Repossessed asset losses, net of expenses	121	198
Other expenses	2,640	2,382
Total Non-interest Expense	19,515	19,858
Income Before Income Taxes	15,175	14,532
Income tax expense	5,144	4,918
Net Income Available to Common Shareholders	10,031	9,614
Total comprehensive income	$ 12,201	$ 10,207
Average common shares outstanding	14,679	15,380
Effect of dilutive securities:
Employee stock options	80	82
Shares for diluted earnings per share	14,759	15,462
Basic earnings per common share	$ 0.68	$ 0.62
Diluted earnings per common share	$ 0.67	$ 0.62
Dividends declared per common share	$ 0.35	$ 0.34