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FAIR VALUE MEASUREMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Quantitative Information about Level 3 Measurements
Derivative assets	$ 21,258	$ 10,638
Derivative liabilities	867	5,223
Level 3 \| Derivative liabilities \| Discounted cash flow
Quantitative Information about Level 3 Measurements
Derivative liabilities	867
Level 3 \| Derivative assets \| Discounted cash flow
Quantitative Information about Level 3 Measurements
Derivative assets	$ 21,258

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

+ References+ Details

- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

+ References+ Details