LOSS PER SHARE - Potentially Dilutive Awards (Details) - shares	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive awards (in shares)	7,716,555	14,353,465,000
Outstanding options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive awards (in shares)	5,207,959	3,895,512,000
Outstanding restricted share units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive awards (in shares)	2,508,596	974,813,000
Outstanding common share warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive awards (in shares)	0	9,483,140,000