INCOME TAXES - Components of Pre-tax Income (Loss) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Income Taxes [Line Items]
Pre-tax income (loss) U.S.	$ (32,083)	$ (38,864)
Pre-tax income (loss) Canada	15,898	21,311
Total loss before income taxes	$ (16,185)	$ (17,553)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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