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

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- 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 + Details
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Balance Type: | credit
Period Type: | duration

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- 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 + Details
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- Details
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- 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 + Details
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Period Type: | duration