OTHER COMPREHENSIVE INCOME (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) entity	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Equity [Abstract]
Number of companies that operate in Canada \| entity	4
Cumulative translation adjustments, net of tax \| $	$ (1,888)	$ (687)	$ 224

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration