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MARKETABLE SECURITIES (Details 2) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Available-for-sale marketable securities | |||
| Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | $ 255us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax | $ 0us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax | |
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] | |||
| Due in one year or less, Amortized Cost Basis | 54,502us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost | ||
| Due in one year or less | 54,455us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue | ||
| Due after one year through five years, Amortized Cost Basis | 104,916us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost | ||
| Due after one year through five years | 104,742us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue | ||
| Total | 159,418us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis | ||
| Total | 159,197us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent | ||
| Proceeds from maturities and sales of available-for-sale marketable securities and related gross realized gains and losses | |||
| Proceeds from maturities and sales of available-for-sale marketable securities | 25,223us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds | 82,160us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds | 205,944us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds |
| Gross realized gains | 3,362us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 35,692us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 4,075us-gaap_AvailableForSaleSecuritiesGrossRealizedGains |
| Gross realized losses | $ 0us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses | $ 0us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses | $ (5)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses |
| X | ||||||||||
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- Definition
Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after adjustments of available-for-sale debt securities at cost, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of available-for-sale debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Amount after adjustments of available-for-sale debt securities at cost, maturing in the next fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of investments in debt securities classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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