Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest Income
Interest and Fees on Loans & Leases	$ 71,310	$ 64,921	$ 65,798
Interest on Deposits with Banks	158	79	110
Interest on Investment Securities:
Taxable	7,739	8,971	9,940
Exempt from Federal Tax	2,314	2,560	2,643
Total Interest Income	81,521	76,531	78,491
Interest Expense
Deposits	2,486	2,548	3,739
Borrowed Funds	5	16	1,054
Subordinated Debentures	322	327	347
Total Interest Expense	2,813	2,891	5,140
Net Interest Income	78,708	73,640	73,351
Provision for Credit Losses	1,175	425	1,850
Net Interest Income After Provision for Credit Losses	77,533	73,215	71,501
Non-Interest Income
Service Charges on Deposit Accounts	3,923	4,350	4,891
Net Gain (Loss) on Investment Securities	90	(229)	158
Increase in Cash Surrender Value of Life Insurance	1,881	1,856	1,836
Debit Card and ATM Fees	3,087	3,069	2,938
Net Gain on Deferred Compensation Investments	2,129	3,366	1,687
Other	3,219	3,525	2,600
Total Non-Interest Income	14,329	15,937	14,110
Non-Interest Expense
Salaries and Employee Benefits	36,446	33,658	31,635
Net Gain on Deferred Compensation Investments	2,129	3,366	1,687
Occupancy	2,690	2,513	2,565
Equipment	2,794	2,783	3,128
FDIC Insurance	1,048	981	968
Legal Fees	128	569	1,039
Termination Fee Related to Repurchase Agreement	0	0	1,657
Other	6,131	7,000	5,598
Total Non-Interest Expense	51,366	50,870	48,277
Income Before Income Taxes	40,496	38,282	37,334
Provision for Income Taxes	15,094	14,221	13,985
Net Income	$ 25,402	$ 24,061	$ 23,349
Basic Earnings Per Common Share (in dollars per share)	$ 32.64	$ 30.93	$ 29.99