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DERIVATIVE INSTRUMENTS (DETAILS 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Foreign exchange forward contracts	$ 0us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	$ 0us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	$ 10,853us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
Hedged investment portfolio	0us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	0us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	(3,099)us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
Hedge ineffectiveness recognized in earnings	$ 0us-gaap_GainLossOnFairValueHedgeIneffectivenessNet	$ 0us-gaap_GainLossOnFairValueHedgeIneffectivenessNet	$ 7,754us-gaap_GainLossOnFairValueHedgeIneffectivenessNet

X

- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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X

- Definition

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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X

- Definition

Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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