INCOME TAXES - Schedule of Capital Losses and Net Operating Losses (Details) $ in Thousands	Dec. 31, 2021 USD ($)
UNITED STATES | Excess Interest Carryforward | United States
Operating Loss Carryforwards [Line Items]
Amount	$ 11
Canada | Non-capital losses | Canada
Operating Loss Carryforwards [Line Items]
Amount	49,737
Canada | Capital losses | Canada
Operating Loss Carryforwards [Line Items]
Amount	3,450
Canada | Investment tax credits | Canada
Operating Loss Carryforwards [Line Items]
Amount	1,254
Pre-2018 net operating losses | UNITED STATES | United States
Operating Loss Carryforwards [Line Items]
Amount	292,139
Post-2017 net operating losses | UNITED STATES | United States
Operating Loss Carryforwards [Line Items]
Amount	$ 40,562