FAIR VALUE MEASUREMENT AND FAIR VALUES OF FINANCIAL INSTRUMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010
Fair Value	$ 8,378	$ 8,378	$ 8,517	$ 8,507	$ 10,310	$ 10,739	$ 10,349
Corporate Debt Securities [Member]
Fair Value	8,378	8,378	8,517	8,507	9,506	9,850	9,392
Valuation technique	Discounted cash flow	Discounted cash flow
Corporate Debt Securities [Member] | Maximum [Member]
Prepayment rate	1.00%	1.00%
Deferral/default rate	1.50%	1.50%
Recovery rate	50.00%	50.00%
Recovery lag (in years)	5	5
Discount rate	8.70%	8.80%
Corporate Debt Securities [Member] | Minimum [Member]
Prepayment rate	0.00%	0.00%
Deferral/default rate	0.25%	0.25%
Recovery rate	0.00%	0.00%
Recovery lag (in years)	0	0
Discount rate	7.30%	7.60%
Corporate Debt Securities [Member] | Weighted Average [Member]
Prepayment rate	0.50%	0.50%
Deferral/default rate	0.88%	0.88%
Recovery rate	25.00%	25.00%
Recovery lag (in years)	2.5	2.5
Discount rate	7.90%	8.10%
Other Real Estate Owned [Member]
Valuation technique	Income approach	Income approach
Capitalization rate	6.75%
Market Comparable Valuation Technique	Market comparable	Market comparable
Other Real Estate Owned [Member] | Maximum [Member]
Capitalization rate		8.50%
Adjustment To Appraisal Value Rate	36.88%	51.46%
Other Real Estate Owned [Member] | Minimum [Member]
Capitalization rate	0.00%
Adjustment To Appraisal Value Rate	0.25%	0.00%
Other Real Estate Owned [Member] | Weighted Average [Member]
Capitalization rate	6.75%	7.69%
Adjustment To Appraisal Value Rate	7.95%	7.81%
Loans Measured For Impairment [Member]
Valuation technique	Income approach	Income approach
Market Comparable Valuation Technique	Market comparable	Market comparable
Loans Measured For Impairment [Member] | Maximum [Member]
Capitalization rate	8.00%	8.00%
Adjustment To Appraisal Value Rate	22.34%	45.91%
Loans Measured For Impairment [Member] | Minimum [Member]
Capitalization rate	6.75%	6.75%
Adjustment To Appraisal Value Rate	0.25%	0.25%
Loans Measured For Impairment [Member] | Weighted Average [Member]
Capitalization rate	7.26%	7.27%
Adjustment To Appraisal Value Rate	5.58%	11.02%
Discounted Cash Flow [Member] | Corporate Debt Securities [Member] | Three Months Ended [Member]
Fair Value	8,378	8,378
Discounted Cash Flow [Member] | Corporate Debt Securities [Member] | Six Months Ended [Member]
Fair Value	8,378	8,378
Income Approach [Member] | Other Real Estate Owned [Member] | Three Months Ended [Member]
Fair Value	1,680	1,680
Income Approach [Member] | Other Real Estate Owned [Member] | Six Months Ended [Member]
Fair Value	6,248	6,248
Income Approach [Member] | Loans Measured For Impairment [Member] | Three Months Ended [Member]
Fair Value	1,696	1,696
Income Approach [Member] | Loans Measured For Impairment [Member] | Six Months Ended [Member]
Fair Value	3,507	3,507
Market Comparable [Member] | Other Real Estate Owned [Member] | Three Months Ended [Member]
Fair Value	13,758	13,758
Market Comparable [Member] | Other Real Estate Owned [Member] | Six Months Ended [Member]
Fair Value	20,866	20,866
Market Comparable [Member] | Loans Measured For Impairment [Member] | Three Months Ended [Member]
Fair Value	3,238	3,238
Market Comparable [Member] | Loans Measured For Impairment [Member] | Six Months Ended [Member]
Fair Value	$ 8,422	$ 8,422