Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
INTEREST INCOME
Interest and Fees on Loans	$ 64,445	$ 53,266	$ 53,905
Interest on Federal Funds Sold and Other Short-term Investments	216	76	106
Interest and Dividends on Securities:
Taxable	13,677	9,812	8,660
Non-taxable	1,823	1,039	1,065
TOTAL INTEREST INCOME	80,161	64,193	63,736
INTEREST EXPENSE
Interest on Deposits	11,986	10,561	13,495
Interest on FHLB Advances and Other Borrowings	4,194	4,961	5,728
TOTAL INTEREST EXPENSE	16,180	15,522	19,223
NET INTEREST INCOME	63,981	48,671	44,513
Provision for Loan Losses	6,800	5,225	3,750
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	57,181	43,446	40,763
NON-INTEREST INCOME
Trust and Investment Product Fees	2,145	1,582	1,617
Service Charges on Deposit Accounts	4,154	4,065	4,395
Insurance Revenues	5,819	5,347	5,296
Company Owned Life Insurance	1,100	806	1,104
Interchange Fee Income	1,501	1,243	969
Other Operating Income	1,452	1,740	1,141
Net Gains on Sales of Loans	2,381	2,160	1,760
Net Gain (Loss) on Securities	3,024		(423)
TOTAL NON-INTEREST INCOME	21,576	16,943	15,859
NON-INTEREST EXPENSE
Salaries and Employee Benefits	27,992	22,070	21,961
Occupancy Expense	4,264	3,492	3,382
Furniture and Equipment Expense	2,934	2,591	2,653
FDIC Premiums	1,473	1,455	1,863
Data Processing Fees	2,092	1,411	1,368
Professional Fees	2,056	2,285	1,740
Advertising and Promotion	1,525	1,255	993
Supplies	688	755	528
Intangible Amortization	1,956	898	909
Other Operating Expenses	5,802	5,149	4,994
TOTAL NON-INTEREST EXPENSE	50,782	41,361	40,391
Income before Income Taxes	27,975	19,028	16,231
Income Tax Expense	7,726	5,623	4,013
NET INCOME	20,249	13,405	12,218
Other Comprehensive Income:
Changes in Unrealized Gain (Loss) on Securities Available-for-Sale, net	5,677	474	1,908
Change in Unrecognized Loss on Postretirement Benefit Obligation	(38)	(176)
Change in Unrecognized Amounts in Pension	4	(13)	(47)
Total Other Comprehensive Income	5,643	285	1,861
COMPREHENSIVE INCOME	$ 25,892	$ 13,690	$ 14,079
Basic Earnings per Share	$ 1.61	$ 1.21	$ 1.10
Diluted Earnings per Share	$ 1.61	$ 1.21	$ 1.10