FAIR VALUE MEASUREMENTS (Details 2) (USD $)	9 Months Ended
	Sep. 30, 2012
Private label CMOs
Activity for assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Balance at the beginning of the period	$ 45,149,000
Total realized in earnings	862,000
Total unrealized gain in comprehensive income	5,047,000
Net settlements	(5,171,000)
Balance at the end of the period	45,887,000
Other-than-temporary impairment loss	$ 1,100,000
Recurring basis | Level 3 | Private label CMOs | Minimum
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary prepayment speeds (as a percent)	0.00%
Monthly default rates (as a percent)	0.00%
Loss severity rates (as a percent)	0.00%
Discount rates (as a percent)	1.60%
Recurring basis | Level 3 | Private label CMOs | Maximum
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary prepayment speeds (as a percent)	30.90%
Monthly default rates (as a percent)	20.40%
Loss severity rates (as a percent)	67.80%
Discount rates (as a percent)	15.00%
Recurring basis | Level 3 | Private label CMOs | Weighted average
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary prepayment speeds (as a percent)	10.50%
Monthly default rates (as a percent)	3.90%
Loss severity rates (as a percent)	47.00%
Discount rates (as a percent)	5.90%
Nonrecurring basis | Level 3 | Minimum | SBA loan servicing asset | Discounted cash flow
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary prepayment speeds (as a percent)	3.69%
Discount rates (as a percent)	9.68%
Nonrecurring basis | Level 3 | Maximum | SBA loan servicing asset | Discounted cash flow
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary prepayment speeds (as a percent)	17.04%
Discount rates (as a percent)	12.58%