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CAPITALIZED FEES PAID TO A RELATED PARTY (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Capitalized Fees paid to a Related Party |  |  |
Net carrying value | $ 166,722 | $ 180,545 |
Weighted average remaining amortization period | 12 years 1 month 6 days |  |
Amortization expense | $ 13,823 | 13,823 | $ 13,823
Capitalized Fees paid to a Related Party, Future amortization |  |  |
Estimated amortization expense for the year 2018 | 13,800 |  |
Estimated amortization expense for the year 2019 | 13,800 |  |
Estimated amortization expense for the year 2020 | 13,800 |  |
Estimated amortization expense for the year 2021 | 13,800 |  |
Estimated amortization expense for the year 2022 | 13,800 |  |
Estimated amortization expense thereafter | 97,700 |  |
GSK |  |  |
Capitalized Fees paid to a Related Party |  |  |
Gross carrying value | 220,000 | 220,000 |
Accumulated amortization | (53,278) | (39,455) |
Net carrying value | 166,722 | 180,545 |
GSK | United States |  |  |
Capitalized Fees paid to a Related Party |  |  |
Gross carrying value | 120,000 | 120,000 |
GSK | Europe |  |  |
Capitalized Fees paid to a Related Party |  |  |
Gross carrying value | 60,000 | 60,000 |
GSK | Japan |  |  |
Capitalized Fees paid to a Related Party |  |  |
Gross carrying value | $ 40,000 | $ 40,000 |

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- Definition Represents the accumulated amortization of capitalized fees paid to a related party. + References No definition available. + Details
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- Definition Represents the amortization of capitalized fees paid to a related party. + References No definition available. + Details
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- Definition Amount of amortization expense for assets expected to be recognized after 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. + References No definition available. + Details
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- Definition Amount of amortization expense for assets expected to be recognized during 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. + References No definition available. + Details
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- Definition Amount of amortization expense for assets expected to be recognized during 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. + References No definition available. + Details
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- Definition Amount of amortization expense for assets expected to be recognized during the fourth 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. + References No definition available. + Details
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- Definition Amount of amortization expense for assets expected to be recognized during the third 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. + References No definition available. + Details
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- Definition Amount of amortization expense for assets expected to be recognized during the second 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. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Represents the gross amount of capitalized fees paid to a related party. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Represents capitalized fees paid to a related party, net. + References No definition available. + Details
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- Definition Weighted average remaining amortization period of capitalized fees paid to a related party, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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