Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest Income
Interest and Fees on Loans	$ 65,798	$ 70,180	$ 72,643
Interest on Deposits with Banks	110	117	91
Interest on Investment Securities:
Taxable	9,940	9,490	8,971
Exempt from Federal Tax	2,643	2,567	2,756
Total Interest Income	78,491	82,354	84,461
Interest Expense
Deposits	3,739	5,463	7,168
Borrowed Funds	1,054	2,181	2,184
Subordinated Debentures	347	330	333
Total Interest Expense	5,140	7,974	9,685
Net Interest Income	73,351	74,380	74,776
Provision for Loan Losses	1,850	6,775	14,735
Net Interest Income After Provision for Loan Losses	71,501	67,605	60,041
Non-Interest Income
Service Charges on Deposit Accounts	4,891	5,395	6,529
Net Gain on Investment Securities	158	95	2,895
Increase in Cash Surrender Value of Life Insurance	1,836	1,834	1,825
Debit Card and ATM Fees	2,938	2,760	2,591
Net Gain on Deferred Compensation Investments	1,687	199	1,376
Other	2,600	1,991	1,969
Total Non-Interest Income	14,110	12,274	17,185
Non-Interest Expense
Salaries and Employee Benefits	31,635	29,670	28,332
Net Gain on Deferred Compensation Investments	1,687	199	1,376
Occupancy	2,565	2,579	2,422
Equipment	3,128	2,844	2,605
ORE Holding Costs	122	1,785	1,247
FDIC Insurance	968	1,461	2,286
Legal Fees	1,039	876	400
Termination Fee Related to Repurchase Agreement	1,657	0	0
Other	5,476	5,614	5,271
Total Non-Interest Expense	48,277	45,028	43,939
Income Before Income Taxes	37,334	34,851	33,287
Provision for Income Taxes	13,985	12,642	12,169
Net Income	$ 23,349	$ 22,209	$ 21,118
Basic Earnings Per Common Share (in dollars per share)	$ 29.99	$ 28.49	$ 27.05