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FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 2) - Fair Value, Measurements, Recurring - Fair Value Measurements (Level 3) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2015
Embedded derivative liabilities |  |
Reconciliation of the beginning and ending balances for major liability categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3) |  |
Beginning balance | $ 0 | $ (3,392)
Total gains (losses) for the period: |  |
Included in earnings | 0 | (20)
Sales and settlements: |  |
Settlements | 0 | 3,412
Ending balance | 0 | 0
Changes in unrealized losses included in earnings relating to assets and liabilities held for the period | 0 | 0
Corporate debt securities | Non-investment grade |  |
Reconciliation of the beginning and ending balances for major asset categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3) |  |
Beginning balance | 0 | 6,528
Total gains (losses) for the period: |  |
Included in earnings | 0 | 960
Included in other comprehensive income | 0 | 922
Sales and settlements: |  |
Sales | 0 | (7,219)
Settlements | 0 | (98)
Transfers in and/or out of Level 3 | 0 | (1,093)
Ending balance | 0 | 0
Changes in unrealized losses included in earnings relating to assets and liabilities held for the period | $ 0 | $ 0

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- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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