INCOME TAX - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax [Line Items]
Unrecognized Tax Benefits	$ 3,083	$ 2,799	$ 3,083	$ 714
Deferred tax assets, valuation allowance	69,743	85,555	69,743
Increase (decrease) in valuation allowance, deferred tax assets		15,800	$ (1,300)
Intellectual property acquired, taxable gain	$ 163,000
Domestic
Income Tax [Line Items]
Operating loss carryforwards		315,000
Tax credit carryforward		6,700
State and Local Jurisdiction
Income Tax [Line Items]
Operating loss carryforwards		105,600
Tax credit carryforward		$ 1,200