STOCK-BASED COMPENSATION - Stock-based Compensation Expense Net of Forfeitures (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Restricted Stock Award, Service-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of forfeitures (in thousands)	$ 5,923
Weighted average period over which the above expense will be recognized (in years)	3 years 3 days
Employee Stock Option, Serviced-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of forfeitures (in thousands)	$ 50
Weighted average period over which the above expense will be recognized (in years)	1 month 20 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of forfeitures (in thousands)	$ 141
Weighted average period over which the above expense will be recognized (in years)	1 year 1 month 28 days
Restricted Stock Units, Performance-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of forfeitures (in thousands)	$ 3,500
Weighted average period over which the above expense will be recognized (in years)	1 year 8 months 4 days