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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Oct. 02, 2017 | Sep. 06, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment charges | $ 3,500,000 |  |  |  |
Excess purchase price over fair value of net assets acquired assigned to goodwill | 102,003,000 | $ 102,003,000 |  |  |
Goodwill and Intangible Asset Impairment | $ 3,500,000 | $ 0 | $ 0 |  |
Minimum |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Economic useful life | 1 year |  |  |  |
Maximum |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Economic useful life | 14 years |  |  |  |
Novae |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite lived other intangible assets |  |  |  | $ 385,000,000 |
Value of business acquired - definite lived intangible asset |  |  |  | 256,942,000 |
Indefinite lived intangible assets |  |  |  | 94,748,000 |
Excess purchase price over fair value of net assets acquired assigned to goodwill |  |  |  | 54,047,000 |
Contessa Limited |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Excess purchase price over fair value of net assets acquired assigned to goodwill |  |  |  |  | $ 1,000,000
Distribution networks | Novae |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite lived other intangible assets |  |  |  | $ 128,463,000 |

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- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles, Value Of Business Acquired + References No definition available. + Details
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