ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Additional Information) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Troubled Debt Restructuring [Abstract]
Ratio Of Allowance Of Loan Losses To Total Loans	2.28%	2.39%	2.15%
Impaired loans included in nonaccrual loans	$ 30,200,000	$ 39,000,000	$ 35,800,000
Change In Impaired Loans	4,600,000	15,500,000
Total impaired loans	58,900,000	63,500,000	48,000,000
Amount of commercial credit relationship causing increase (decrease) in nonaccrual loans	(3,100,000)	7,300,000
Amount of commercial credit relationship causing increase (decrease) in impaired loans	4,800,000	12,100,000
Loans Modified In Troubled Debt Restructured Loans	12,500,000	15,700,000
Amount added to total troubled debt restructured loans		15,600,000
Amount of amount added to total troubled debt restructured loans included in nonperforming and impaired loans			15,300,000
Loan amount of credit quality analysis	250,000
Consumer loan recorded investment	17,000
One Commercial Credit [Member]
Troubled Debt Restructuring [Abstract]
Amount of commercial credit relationship causing increase (decrease) in nonaccrual loans	(2,000,000)
Amount of commercial credit relationship causing increase (decrease) in impaired loans	(1,000,000)
Two Commercial Credits [Member]
Troubled Debt Restructuring [Abstract]
Amount of commercial credit relationship causing increase (decrease) in nonaccrual loans	(1,600,000)
Non-working Capital Loans [Member]
Troubled Debt Restructuring [Abstract]
Aggregate recorded investment with renewal terms	1,100,000
Inadequate compensation for terms of restructure - non working capital loans recorded investment			636,000
Nonowner Occupied Loans [Member]
Troubled Debt Restructuring [Abstract]
Inadequate compensation for terms of restructure - non working capital loans recorded investment			642,000
Loans Secured By Farmland [Member]
Troubled Debt Restructuring [Abstract]
Inadequate compensation for terms of restructure - non working capital loans recorded investment			413,000
Construction and Land Development Loans [Member]
Troubled Debt Restructuring [Abstract]
Aggregate recorded investment with renewal terms	1,600,000
Commercial and Industrial Loans [Member]
Troubled Debt Restructuring [Abstract]
Increase (decrease) in allowance for loan loss	(853,000)	(112,000)
Commercial Real Estate and Multi-Family Residential Loans [Member]
Troubled Debt Restructuring [Abstract]
Increase (decrease) in allowance for loan loss	(67,000)	3,200,000
Charge Off		667,000
Agri-business and Agricultural Loans [Member]
Troubled Debt Restructuring [Abstract]
Increase (decrease) in allowance for loan loss		(11,000)
Consumer 1-4 Family Mortgage Loans [Member]
Troubled Debt Restructuring [Abstract]
Increase (decrease) in allowance for loan loss	48,000	(76,000)
Increase in allowance of subsequently defaulted	16,000	34,000
Other Consumer [Member]
Troubled Debt Restructuring [Abstract]
Increase (decrease) in allowance for loan loss	$ 4,000