Consolidated Statements Of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest Income
Interest and fees on loans	$ 81,221	$ 70,654	$ 70,262
Interest on U.S. government and sponsored enterprise obligations	15,091	16,118	16,587
Interest on state and political subdivision obligations	2,208	1,256	1,170
Interest on federal funds sold and other investments	624	357	164
Total interest income	99,144	88,385	88,183
Interest Expense
Interest on deposits	6,511	6,267	7,073
Interest on borrowings	3,457	3,329	3,137
Interest on subordinated debentures	2,724	2,532	2,532
Total interest expense	12,692	12,128	12,742
Net interest income	86,452	76,257	75,441
Provision for credit losses	1,936	2,220	2,028
Net interest income after provision for credit losses	84,516	74,037	73,413
Non-Interest Income
Service charges on deposit accounts	6,423	6,229	6,740
Other service charges and fees	6,850	6,136	5,971
Income from fiduciary services	4,918	4,989	4,751
Mortgage banking income, net	2,031	282	1,406
Brokerage and insurance commissions	1,699	1,766	1,697
Bank-owned life insurance	1,680	1,437	1,310
Gain on branch divestiture	0	0	2,742
Net gain on sale of securities	4	451	785
Other income	3,877	3,080	2,433
Total non-interest income	27,482	24,370	27,835
Non-Interest Expenses
Salaries and employee benefits	37,220	32,669	32,609
Furniture, equipment and data processing	8,057	7,316	7,051
Net occupancy	5,695	5,055	5,449
Consulting and professional fees	2,625	2,368	2,337
Other real estate owned and collection costs	2,491	2,289	2,162
Regulatory assessments	2,184	1,982	1,997
Amortization of intangible assets	1,306	1,148	1,150
Acquisition and divestiture costs	10,415	0	374
Goodwill impairment	0	0	2,830
Other expenses	11,146	9,570	10,374
Total non-interest expense	81,139	62,397	66,333
Income before income tax	30,859	36,010	34,915
Income Tax Expense	9,907	11,440	12,132
Net income	$ 20,952	$ 24,570	$ 22,783
Per Share Data
Basic earnings per share	$ 2.60	$ 3.29	$ 2.98
Diluted earnings per share	$ 2.60	$ 3.28	$ 2.97
Weighted average number of common shares outstanding	8,020,851	7,450,980	7,634,455
Diluted weighted average number of common shares outstanding	8,049,708	7,470,593	7,653,270