OTHER INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Debt Instrument [Line Items]
Costs incurred	$ 500
Other income	3,044	$ 463	$ 3,981	$ 1,510
Paycheck Protection Program
Debt Instrument [Line Items]
Amount of relief secured	$ 1,900		1,900
Period over which paychecks protection ("PPP") program funds are fully forgiven so long eligible expenditures are incurred	168 days
Other income	$ 1,200
Canadian Emergency Wage Subsidy
Debt Instrument [Line Items]
Amount of relief secured	$ 1,500		$ 1,500