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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |  |  |  |
Benefit due to lower estimated annual effective income tax rate | $ 3,600 |  |  |  |
Income tax provision (benefit) | (14,823) | $ (18,242) | $ (62,142) | $ (15,887) |
Reduction in the Transition Tax |  | $ 9,200 |  |  |
Unrecognized tax benefits, including interest and penalties | 68,300 |  | 68,300 |  | $ 52,300
Increase to unrecognized tax benefits, inclding interest, due principally to research credits |  |  | 16,000 |  |
Unrecognized tax benefits, if subsequently recognized would reduce income tax expense | 63,500 |  | 63,500 |  | $ 49,100
Decrease in unrecognized tax benefit, reasonably possible within twelve months | 24,500 |  | 24,500 |  |
Decrease in unrecognized tax benefit, reasonably possible within twelve months which would reduce the income tax provision | $ 24,300 |  | $ 24,300 |  |

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- Definition Unrecognized Tax Benefits Unrelated To Federal Income Taxes Statute Of Limitations Expiring To Be Recognized In Subsequent Periods That Would Impact Income Tax Expense Continuing Operations. + References No definition available. + Details
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