INCOME TAXES - Narrative (Details)	12 Months Ended
	Dec. 31, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Additional income tax expense due to GILTI	$ 2,900,000
Foreign tax credits	1,000,000.0
Foreign net operating loss carryforwards	1,200,000
U.S. Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 0