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	$ 66,740	$ 65,597	$ 61,632
Interest on Federal Funds Sold and Other Short-term Investments	13	12	30
Interest and Dividends on Securities:
Taxable	9,017	10,409	11,091
Non-taxable	5,850	4,368	2,919
TOTAL INTEREST INCOME	81,620	80,386	75,672
INTEREST EXPENSE
Interest on Deposits	3,976	4,128	4,697
Interest on FHLB Advances and Other Borrowings	2,092	1,919	2,458
TOTAL INTEREST EXPENSE	6,068	6,047	7,155
NET INTEREST INCOME	75,552	74,339	68,517
Provision for Loan Losses	0	150	350
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	75,552	74,189	68,167
NON-INTEREST INCOME
Trust and Investment Product Fees	3,957	3,675	3,358
Service Charges on Deposit Accounts	4,826	4,829	4,144
Insurance Revenues	7,489	7,255	6,217
Company Owned Life Insurance	846	826	965
Interchange Fee Income	2,127	1,961	1,854
Other Operating Income	4,515	2,018	2,003
Net Gains on Sales of Loans	2,959	1,892	2,645
Net Gains on Securities	725	1,481	2,429
TOTAL NON-INTEREST INCOME	27,444	23,937	23,615
NON-INTEREST EXPENSE
Salaries and Employee Benefits	35,042	32,710	31,482
Occupancy Expense	4,939	5,094	4,545
Furniture and Equipment Expense	1,873	1,953	1,898
FDIC Premiums	1,144	1,113	1,050
Data Processing Fees	3,541	3,675	3,133
Professional Fees	2,661	2,294	2,577
Advertising and Promotion	3,669	1,977	1,863
Intangible Amortization	790	1,254	1,416
Other Operating Expenses	7,667	7,643	6,941
TOTAL NON-INTEREST EXPENSE	61,326	57,713	54,905
Income before Income Taxes	41,670	40,413	36,877
Income Tax Expense	11,606	12,069	11,464
NET INCOME	$ 30,064	$ 28,344	$ 25,413
Basic Earnings per Share (in usd per share)	$ 2.27	$ 2.15	$ 1.99
Diluted Earnings per Share (in usd per share)	$ 2.27	$ 2.14	$ 1.98