FINANCIAL INSTRUMENTS (Details 1) - 6 months ended Jun. 30, 2015 - Fair Value, Inputs, Level 3 [Member]	Total
Constant prepayment rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Fair Value Assumptions, Weighted Average Volatility Rate	10.70%
Discount rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Fair Value Assumptions, Weighted Average Volatility Rate	12.00%
Minimum [Member] | Constant prepayment rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Prepayment Rate	5.20%
Maximum [Member] | Constant prepayment rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Prepayment Rate	13.80%