INCOME TAXES - Schedule of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Total current taxes	$ 2,246	$ 4,043	$ 6,941
Total deferred taxes	(1,485)	(5,000)	603
Provision (benefit) for income taxes	761	(957)	7,544
UNITED STATES
Operating Loss Carryforwards [Line Items]
Total current taxes	(5,901)	768	(120)
Total deferred taxes	32	(319)	(1,335)
State
Operating Loss Carryforwards [Line Items]
Total current taxes	929	57	191
Total deferred taxes	(9)	0	50
International
Operating Loss Carryforwards [Line Items]
Total current taxes	7,218	3,218	6,870
Total deferred taxes	$ (1,508)	$ (4,681)	$ 1,888