PROVISION FOR INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
U.S. and foreign components of income before income taxes [Abstract]
U.S. operations	$ 241	$ (6,252)	$ 82,692
Foreign operations	175,894	81,503	139,722
INCOME BEFORE INCOME TAXES	176,135	75,251	222,414
Current provision (benefit):
Federal	23,648	2,788	18,293
State	2	(181)	184
Foreign	1,608	1,677	1,293
Current provision (benefit)	25,258	4,284	19,770
Deferred provision (benefit):
Federal	(11,449)	348	9,683
State	0	0	0
Foreign	(2,087)	(557)	(507)
Deferred provision (benefit)	(13,536)	(209)	9,176
Income Tax Expense (Benefit), Total	$ 11,722	$ 4,075	$ 28,946
Effective income tax rate reconciliation [Abstract]
Federal statutory tax rate	21.00%	21.00%	21.00%
Business tax credits	(3.60%)	(7.40%)	(2.40%)
Stock-based compensation	(0.60%)	(0.10%)	(0.20%)
Foreign income taxed at different rate	(23.80%)	(22.00%)	(12.70%)
GILTI inclusion	13.10%	10.70%	6.20%
Valuation allowance	1.30%	2.60%	0.80%
Other	(0.70%)	0.60%	0.30%
Effective Income Tax Rate Reconciliation, Percent, Total	6.70%	5.40%	13.00%
Components of deferred income tax assets (liabilities) [Abstract]
Other reserves and accruals	$ 17,193	$ 3,707
Tax credit carry-forwards	23,647	20,713
Stock compensation	1,278	1,494
Capital losses	159	158
Net operating loss	2,370	2,303
Other	692	1,023
Valuation allowance	(27,085)	(24,160)
Deferred tax assets, net of valuation allowance	18,254	5,238
Depreciation	(1,750)	(1,974)
Deferred tax liabilities	(1,750)	(1,974)
Net deferred tax assets	16,504	3,264
Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits, Balance at beginning of period	21,051	19,049	$ 18,607
Gross Increase for Tax Positions of Current Year	2,068	2,002	1,379
Gross Decrease for Tax Positions of Prior Years	(1,756)	0	(937)
Unrecognized Tax Benefits, Balance at end of period	21,363	21,051	19,049
Unrecognized tax benefits [Abstract]
Unrecognized Tax Benefits, Balance at end of period	21,363	21,051	$ 19,049
Income tax benefit that would be recorded if unrecognized tax benefits are recognized	10,600
Income tax interest and penalties accrued	800	$ 100
State and Local Jurisdiction [Member] | California Taxing Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	45,600
Research Tax Credit Carryforward [Member] | State and Local Jurisdiction [Member] | California Taxing Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	33,900
Research Tax Credit Carryforward [Member] | State and Local Jurisdiction [Member] | New Jersey Division of Taxation [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	800
Research Tax Credit Carryforward [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	$ 3,900
Earliest Tax Year [Member] | State and Local Jurisdiction [Member] | California Taxing Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2032
Earliest Tax Year [Member] | Research Tax Credit Carryforward [Member] | State and Local Jurisdiction [Member] | New Jersey Division of Taxation [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2026
Earliest Tax Year [Member] | Research Tax Credit Carryforward [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2030