Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest Income
Interest and fees on loans	$ 70,262	$ 72,859	$ 78,174
Interest on U.S. government and sponsored enterprise obligations	16,587	16,452	18,342
Interest on state and political subdivision obligations	1,170	1,385	1,662
Interest on federal funds sold and other investments	198	251	194
Total interest income	88,217	90,947	98,372
Interest Expense
Interest on deposits	7,073	9,293	11,591
Interest on borrowings	3,137	5,363	8,948
Interest on junior subordinated debentures	2,532	2,546	2,614
Total interest expense	12,742	17,202	23,153
Net interest income	75,475	73,745	75,219
Provision for credit losses	2,028	3,816	4,735
Net interest income after provision for credit losses	73,447	69,929	70,484
Non-Interest Income
Service charges on deposit accounts	6,740	5,557	5,134
Other service charges and fees	5,971	4,061	3,577
Income from fiduciary services	4,751	5,038	6,027
Brokerage and insurance commissions	1,697	1,491	1,363
Mortgage banking income, net	1,406	588	729
Bank-owned life insurance	1,310	1,382	2,173
Gain on Branch Divestiture	2,742	0	0
Net gain on sale of securities and other-than-temporary impairment of securities	785	2,498	2,076
Other income	2,399	2,797	1,974
Total non-interest income	27,801	23,412	23,053
Non-Interest Expenses
Salaries and employee benefits	32,609	29,689	28,627
Furniture, equipment and data processing	7,051	5,079	4,773
Net occupancy	5,449	4,365	3,949
Other real estate owned and collection costs	2,162	2,284	2,104
Consulting and professional fees	2,337	1,818	2,629
Regulatory assessments	1,997	1,793	1,955
Amortization of identifiable intangible assets	1,150	657	577
Goodwill impairment	2,830	0	50
Branch Acquisition and Divestiture Costs	374	2,324	0
Prepayment fees on borrowings	0	2,030	2,318
Other expenses	10,374	8,992	8,597
Total non-interest expenses	66,333	59,031	55,579
Income before income taxes	34,915	34,310	37,958
Income Taxes	12,132	10,882	11,781
Net Income	$ 22,783	$ 23,428	$ 26,177
Per Share Data
Basic earnings per share	$ 2.98	$ 3.06	$ 3.41
Diluted earnings per share	$ 2.97	$ 3.05	$ 3.40
Weighted average number of common shares outstanding	7,634,455	7,646,861	7,672,126
Diluted weighted average number of common shares outstanding	7,653,270	7,661,273	7,679,895