INCOME TAXES - Additional information (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jun. 14, 2017	Jun. 30, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Deferred tax assets, valuation allowance released				$ 32,100
Undistributed earnings of foreign subsidiaries			$ 40,400
Amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries			9,300
Unrecognized tax benefits			55,472	46,541	$ 45,154	$ 41,460
Unrecognized tax benefits that would impact effective tax rate			28,600	25,700	24,600
Unrecognized tax benefits, income tax penalties and interest accrued			$ 2,500	$ 2,600	$ 2,900
Effective income tax rate reconciliation, percent			8.40%	(19.60%)	11.30%
Change in enacted tax rate, amount		$ (200)
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			$ 56,500
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			46,200
Israel Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			138,400
Denmark
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			$ 5,700
Tel Aviv | Israel Tax Authority
Operating Loss Carryforwards [Line Items]
Effective income tax rate reconciliation, percent	12.00%
Yokneam | Israel Tax Authority
Operating Loss Carryforwards [Line Items]
Effective income tax rate reconciliation, percent	7.50%