ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY, Troubled Debt Restructurings (Details) (USD $)	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Troubled Debt Restructuring [Abstract]
Loans modified in troubled debt restructured loans	$ 15,100,000		$ 15,100,000	$ 15,700,000
Accruing troubled debt restructured loans	22,767,000		22,767,000	22,177,000
Nonaccrual troubled debt restructured loans	32,129,000		32,129,000	34,273,000
Total trouble debt restructured loans	54,896,000		54,896,000	56,450,000
Aggregate recorded investment with renewal terms	1,100,000	1,600,000
Troubled Debt Restructurings [Abstract]
Number of Loans	4		9	33
Pre-Modification Outstanding Recorded Investment				38,866,000
Total pre-modification outstanding recorded investment	2,215,000		3,853,000
Post-Modification Outstanding Recorded Investment				38,850,000
Total post-modification outstanding recorded investment	2,333,000		3,971,000
Loans receivable charged-off				667,000
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Number of Loans	1		1
Recorded Investment	65,000		65,000
Number of days a loan is considered to be in payment default (in days)			30 days
Addition (deduction) to troubled debt restructured loans due to clarifications in accounting guidance				15,600,000
Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	2		2	5
Pre-Modification Outstanding Recorded Investment	516,000		516,000	402,000
Post-Modification Outstanding Recorded Investment	132,000		132,000	324,000
Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	2
Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	707,000
Post-Modification Outstanding Recorded Investment	0		0	486,000
Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	2,675,000
Post-Modification Outstanding Recorded Investment	0		0	2,575,000
Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	22
Extension period for modified repayment terms	14 months		14 months
Modified Repayment Terms [Member] | Minimum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				6 months
Modified Repayment Terms [Member] | Maximum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				70 months
Nonperforming Financing Receivable [Member]
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Addition (deduction) to troubled debt restructured loans due to clarifications in accounting guidance				15,300,000
Commercial Real Estate and Multi-family Residential Loans [Member]
Troubled Debt Restructurings [Abstract]
Increase in allowance for loan losses	290,000		790,000	3,200
Commercial and Industrial Loans [Member]
Troubled Debt Restructurings [Abstract]
Increase in allowance for loan losses	690,000		690,000	(112,000)
Agri-business and Agricultural Loans [Member]
Troubled Debt Restructurings [Abstract]
Increase in allowance for loan losses				(11,000)
Consumer 1-4 Family Mortgage Loans [Member]
Troubled Debt Restructurings [Abstract]
Increase in allowance for loan losses	6,000		6,000	76,000
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans			5
Pre-Modification Outstanding Recorded Investment	1,638,000		1,638,000
Post-Modification Outstanding Recorded Investment	1,638,000		1,638,000
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0
Extension period for modified repayment terms	0 months		0 months
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	6
Pre-Modification Outstanding Recorded Investment	39,000		39,000	942,000
Post-Modification Outstanding Recorded Investment	39,000		39,000	849,000
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	5
Pre-Modification Outstanding Recorded Investment	76,000		76,000	402,000
Post-Modification Outstanding Recorded Investment	15,000		15,000	324,000
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	1
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	66,000
Post-Modification Outstanding Recorded Investment	0		0	57,000
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	550,000
Post-Modification Outstanding Recorded Investment	0		0	450,000
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	0
Extension period for modified repayment terms	0 months		0 months	0 months
Nonowner Occupied Loans [Member]
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Number of loans with inadequate compensation for terms of restructure			1
Loans with inadequate compensation for terms of restructure	642,000		642,000
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	8
Pre-Modification Outstanding Recorded Investment	385,000		385,000	23,767,000
Post-Modification Outstanding Recorded Investment	385,000		385,000	23,767,000
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	0
Pre-Modification Outstanding Recorded Investment	0		0	0
Post-Modification Outstanding Recorded Investment	0		0	0
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	0
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	0
Post-Modification Outstanding Recorded Investment	0		0	0
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	0
Post-Modification Outstanding Recorded Investment	0		0	0
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	7
Extension period for modified repayment terms	14 months		14 months
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member] | Minimum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				6 months
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member] | Maximum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				36 months
Loans Secured by Farmland [Member]
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Number of loans with inadequate compensation for terms of restructure			1
Loans with inadequate compensation for terms of restructure	413,000		413,000
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				2
Pre-Modification Outstanding Recorded Investment				683,000
Post-Modification Outstanding Recorded Investment				683,000
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				0
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				0
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				1
Extension period for modified repayment terms				22 months
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				3
Pre-Modification Outstanding Recorded Investment				639,000
Post-Modification Outstanding Recorded Investment				639,000
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				0
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				0
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				3
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Modified Repayment Terms [Member] | Minimum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				11 months
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Modified Repayment Terms [Member] | Maximum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				60 months
Non working Capital Loans [Member]
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Number of loans with inadequate compensation for terms of restructure			2
Loans with inadequate compensation for terms of restructure	636,000		636,000
Non working Capital Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Non working Capital Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0
Non working Capital Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Non working Capital Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Non working Capital Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0
Extension period for modified repayment terms	0 months		0 months
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	6
Pre-Modification Outstanding Recorded Investment	942,000		942,000	6,187,000
Post-Modification Outstanding Recorded Investment	1,060,000		1,060,000	6,261,000
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				0
Pre-Modification Outstanding Recorded Investment	0		0	0
Post-Modification Outstanding Recorded Investment				0
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				0
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment				0
Post-Modification Outstanding Recorded Investment				0
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans				4
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Modified Repayment Terms [Member] | Minimum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				12 months
Non working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Modified Repayment Terms [Member] | Maximum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				36 months
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	8
Pre-Modification Outstanding Recorded Investment	849,000		849,000	6,648,000
Post-Modification Outstanding Recorded Investment	849,000		849,000	6,651,000
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Interest Rate Reductions [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	1		1	0
Pre-Modification Outstanding Recorded Investment	440,000		440,000	0
Post-Modification Outstanding Recorded Investment	117,000		117,000	0
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	1
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Interest [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	641,000
Post-Modification Outstanding Recorded Investment	0		0	429,000
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Principal and Interest Forgiveness [Member] | Principal [Member]
Troubled Debt Restructurings [Abstract]
Pre-Modification Outstanding Recorded Investment	0		0	2,125,000
Post-Modification Outstanding Recorded Investment	$ 0		$ 0	$ 2,125,000
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member]
Troubled Debt Restructurings [Abstract]
Number of Loans	0		0	7
Extension period for modified repayment terms	0 months		0 months
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member] | Minimum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				20 months
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Modified Repayment Terms [Member] | Maximum [Member]
Troubled Debt Restructurings [Abstract]
Extension period for modified repayment terms				70 months