GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill
Goodwill impairment	$ 20,587	$ 0	$ 3,279
Goodwill	40,104	$ 60,691	$ 60,691
Viya
Goodwill
Goodwill impairment	$ 20,600
Amount by which fair value exceeded its carrying value		9.00%	12.00%
Renewable Energy
Goodwill
Goodwill impairment			$ 3,300
Goodwill			$ 0

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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