BASIC AND DILUTED LOSS PER COMMON SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Income (loss) attributable to shareholders, basic	$ (10,784)	$ (8,187)	$ (21,692)	$ (13,844)
Basic weighted average number of common shares outstanding (in shares)	144,450,494	102,322,778	140,923,146	112,868,921
Income (loss) per common share, basic (in dollars per share)	$ (0.07)	$ (0.08)	$ (0.15)	$ (0.12)