RESTRUCTURING PLAN - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) position	Jun. 30, 2019 USD ($)
Restructuring and Related Activities [Abstract]
Expected position eliminations | position			44
Expected position eliminations, percent			50.00%
Cost incurred to date	$ 2,300,000		$ 2,300,000
Restructuring and related cost	100,000		100,000
Restructuring charges	$ 100,000	$ 0	$ 208,000	$ 0