RESTRUCTURING PLAN - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020 USD ($) position	Dec. 31, 2020 USD ($)
Restructuring and Related Activities [Abstract]
Expected position eliminations | position	44
Expected position eliminations, percent	50.00%
Cost incurred to date	$ 2,200
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 119
Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 200