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STOCKHOLDERS' EQUITY - Restricted Stock (Details) - 2020 Incentive Plan - Restricted Stock - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Stock-based compensation
Vesting period	4 years	4 years
Percentage of awards other than options vesting on the annual anniversary date of the grant	25.00%	25.00%
Number of shares granted	0.1	0.1
Grant date price (in dollars per share)	$ 15.05	$ 8.00
Unrecognized compensation expense other than options	$ 1.9	$ 3.6
Weighted average remaining vesting period	1 year 9 months 18 days	2 years 6 months

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Represents the market price of equity instruments, other than options, on date of grant.

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Represents the percentage of awards other than options which vest annually on the anniversary date of the award.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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