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DEBENTURES (Narrative) (Details) ₪ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2016 USD ($) | Dec. 31, 2018 USD ($) item shares | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2018 ILS (₪) | Dec. 31, 2017 ILS (₪)
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from non-convertible debentures |  | $ 98,990 |  | $ 55,960 |  |
Debentures Series G [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from non-convertible debentures | $ 115,000 |  |  |  |  |
Principal amount |  | $ 125,000 | $ 135,000 |  |  |
Interest rate |  | 2.79% | 2.79% |  | 2.79% | 2.79%
Number of installment payments | item |  | 7 |  |  |  |
Hedging transactions asset fair value |  | $ 4,951 | $ 16,455 |  |  |
Debentures Series G [Member] | Israel, New Shekels INS [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount | ₪ |  |  |  |  | ₪ 468,000 | ₪ 468,000
Jazz's Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Outstanding principal |  | $ 58,000 |  |  |  |
Interest rate |  |  | 8.00% |  |  | 8.00%
Number of shares issued from conversion | shares |  | 5,800,000 |  |  |  |

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