FAIR VALUE MEASUREMENT (Schedule of Change in All Recurring Level 3 Assets) (Details) - Fair Value Measured on a Recurring Basis [Member] - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Fair value measurement [Line Items]
Balance beginning	$ 79,955
Balance ending	78,901	$ 79,955
Significant Unobservable Inputs (Level 3) [Member]
Fair value measurement [Line Items]
Balance beginning	14
Balance ending	13	14
Mortgage Servicing Rights [Member]
Fair value measurement [Line Items]
Balance beginning	14
Balance ending	13	14
Mortgage Servicing Rights [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value measurement [Line Items]
Balance beginning	14	22
Amortization	1	8
Balance ending	$ 13	$ 14