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GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 01, 2019 | Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Goodwill |  |  |  |  |
Goodwill impairment |  |  | $ 3,279 | $ 0 | $ 0
Goodwill |  | $ 60,691 | 60,691 | 63,970 | 63,970
Impairment of goodwill and intangible assets | $ 0 |  |  |  |
Viya (formerly Innovative) |  |  |  |  |
Goodwill |  |  |  |  |
Goodwill |  | $ 20,600 | $ 20,600 |  |
Amount by which fair value exceeded its carrying value |  | 12.00% | 12.00% |  |
Renewable Energy |  |  |  |  |
Goodwill |  |  |  |  |
Goodwill impairment |  | $ 3,300 | $ 3,279 |  |
Goodwill |  | $ 0 | $ 0 | $ 3,279 | $ 3,279

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Percentage of fair value of reporting unit in excess of carrying amount. + References No definition available. + Details
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