DERIVATIVE INSTRUMENTS (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Derivative [Line Items]
Notional amount	$ 324,200,000	$ 412,900,000
Average maturity	49 months 15 days	54 months 21 days
Average interest receive rate (in hundredths)	2.50%	2.50%
Average interest pay rate (in hundredths)	5.60%	5.60%
Forward Commitments [Member]
Derivative [Line Items]
Notional amount	155,800,000	90,200,000
Difference in carrying value and fair value, reflecting a loss	1,200,000
Difference in carrying value and fair value, reflecting a gain		654,000
Commitments To Fund Fixed Rate Mortgage Loans [Member]
Derivative [Line Items]
Notional amount	85,200,000	55,400,000
Difference in carrying value and fair value, reflecting a gain	$ 2,100,000	$ 567,000