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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	5 years
Options granted (in shares)	0	0	0
Stock options expected future expense	$ 12
Restricted stock awards expense	348	$ 178
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 4	$ 12
Unrecognized compensation expense (in years)	8 months 1 day
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense for non-vested restricted stock	$ 2,800
Unrecognized compensation expense (in years)	3 years 10 months 24 days
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years
Minimum \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	1 year
Minimum \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years
Maximum \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option grants, maximum term (in years)	10 years
Vesting period (in years)	5 years
Maximum \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	5 years