Consolidated Statements Of Income (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INTEREST AND DIVIDEND INCOME
Interest and fees on loans	$ 43,987,000	$ 44,977,000	$ 45,271,000
Investment income:
Interest and dividends on investment securities	9,912,000	11,834,000	12,644,000
Interest on interest earning deposits with banks and other short-term investments	68,000	46,000	103,000
Total interest and dividend income	53,967,000	56,857,000	58,018,000
INTEREST EXPENSE
Savings, interest bearing checking and money market accounts	1,184,000	776,000	1,167,000
Time deposits $100 thousand and greater	785,000	1,025,000	1,135,000
Other time deposits	1,381,000	1,750,000	2,172,000
Securities sold under agreement to repurchase and other short-term debt	914,000	1,790,000	2,065,000
Long-term debt	806,000	1,542,000	2,105,000
Total interest expense	5,070,000	6,883,000	8,644,000
Net interest income	48,897,000	49,974,000	49,374,000
Provision for credit losses	800,000	950,000	750,000
Net interest income after provision for credit losses	48,097,000	49,024,000	48,624,000
NONINTEREST INCOME
Changes in fair value on other than temporary impaired securities	(166,000)	0	(65,000)
Non-credit related (gain) losses on securities not expected to be sold (recognized in other comprehensive income)	0	0	10,000
Net impairment losses	(166,000)	0	(55,000)
Net (losses) gains on investment securities	(12,000)	507,000	1,049,000
Trust division income	3,062,000	2,685,000	2,516,000
Service charges on deposits	3,989,000	4,078,000	4,298,000
Net debit card income	2,875,000	2,854,000	2,701,000
Gain on sale of other assets	794,000	1,083,000	0
Other	1,088,000	1,406,000	1,340,000
Total noninterest income	11,630,000	12,613,000	11,849,000
NONINTEREST EXPENSE
Compensation and benefits	19,165,000	19,582,000	20,517,000
Occupancy expense	4,165,000	3,826,000	3,824,000
Equipment expense	3,892,000	3,626,000	3,366,000
Legal and professional fees	2,755,000	2,545,000	2,811,000
Marketing	1,756,000	1,841,000	1,733,000
Equity in losses of real estate limited partnerships	1,039,000	1,516,000	1,766,000
State franchise taxes	1,439,000	1,295,000	1,265,000
FDIC Insurance	872,000	866,000	936,000
Prepayment penalty on long-term debt	0	1,363,000	861,000
Other Real Estate Owned ("OREO") expenses	121,000	197,000	193,000
Other	5,414,000	5,809,000	5,457,000
Total noninterest expense	40,618,000	42,466,000	42,729,000
Income before provision for income taxes	19,109,000	19,171,000	17,744,000
Provision for income taxes	3,978,000	3,977,000	3,124,000
NET INCOME	$ 15,131,000	$ 15,194,000	$ 14,620,000
Basic earnings per common share	$ 2.40	$ 2.43	$ 2.35
Diluted earnings per common share	$ 2.40	$ 2.42	$ 2.35