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BUSINESS ACQUISITIONS AND DIVESTITURE - KWS BioTest Limited Additional Information (Details) - KWS BioTest Limited $ in Thousands, £ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 11, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jan. 11, 2018 GBP (£)
Business Acquisition [Line Items] |  |  |  |
Purchase price | $ 20,300 |  |  |
Undiscounted contingent payments | 4,000 |  |  | £ 3.0
Purchase price allocation | 22,034 |  |  |
Cash acquired | $ 1,000 |  |  |
Integration related costs and transaction costs |  | $ 100 | $ 500 |
Client relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Weighted average amortization life of intangible assets acquired |  |  | 12 years |

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