INCOME TAXES - SCHEDULE OF INCOME TAX CONTINGENCIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 100	$ 1,300	$ 1,700
Unrecognized Tax Benefits, Interest on Income Taxes Expense	(800)	(200)	(100)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance January 1	1,293	4,348	6,181
Reductions for tax positions of prior years	0	0	(155)
Settlements	(1,290)	(2,646)	(1,025)
Lapse in statute of limitations	0	(287)	(755)
Ending balance December 31	54	1,293	4,348
Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation	$ 51		$ 102
Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation		$ (122)