EQUITY INCENTIVE PLAN - Schedule of Performance-Based Restricted Stock Units Activity (Details) - Performance-based RSUs [Member]	6 Months Ended
	Jun. 30, 2021 $ / shares shares
Number of Shares
Unvested equity awards outstanding at beginning of period (in shares) | shares	581,365
Grants (in shares) | shares	267,573
Forfeitures (in shares) | shares	(111,897)
Vestings (in shares) | shares	(71,240)
Unvested equity outstanding at end of period (in shares) | shares	665,801
Weighted Average Grant Date Fair Value
Unvested equity awards outstanding at beginning of period (in dollars per share) | $ / shares	$ 7.83
Grants (in dollars per share) | $ / shares	5.86
Forfeitures (in dollars per share) | $ / shares	8.71
Vestings (in dollars per share) | $ / shares	8.71
Unvested equity awards outstanding at end of period (in dollars per share) | $ / shares	$ 6.80