FAIR VALUE MEASUREMENTS (Details 2) (Private label CMOs, USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Activity for assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Balance at the beginning of the period	$ 44,684,000	$ 45,149,000	$ 50,437,000
Total realized in earnings	1,938,000	340,000	2,097,000
Total unrealized gain (loss) in comprehensive income	(1,204,000)	4,883,000	(846,000)
Net settlements	(7,514,000)	(5,688,000)	(6,539,000)
Balance at the end of the period	37,904,000	44,684,000	45,149,000
Other-than-temporary impairment loss		$ 1,100,000
Recurring basis | Level 3 | Minimum
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary annual prepayment speeds (as a percent)	0.00%
Annual default rates (as a percent)	0.00%
Loss severity rates (as a percent)	0.00%
Discount rates (as a percent)	0.00%
Recurring basis | Level 3 | Maximum
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary annual prepayment speeds (as a percent)	34.40%
Annual default rates (as a percent)	42.50%
Loss severity rates (as a percent)	64.60%
Discount rates (as a percent)	11.10%
Recurring basis | Level 3 | Weighted average
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Voluntary annual prepayment speeds (as a percent)	5.90%
Annual default rates (as a percent)	3.00%
Loss severity rates (as a percent)	29.90%
Discount rates (as a percent)	5.20%