PROVISION (BENEFIT) FOR INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
U.S. and foreign components of income before income taxes [Abstract]
U.S. operations	$ (4,521)	$ 2,995	$ 17,250
Foreign operations	35,275	42,912	166,176
INCOME BEFORE INCOME TAXES	30,754	45,907	183,426
Current provision (benefit):
Federal	5,876	(1,193)	19,740
State	3	3	2
Foreign	1,392	1,331	1,079
Current provision (benefit)	7,271	141	20,821
Deferred provision (benefit):
Federal	(8,177)	(9,178)	(7,962)
State	0	0	0
Foreign	(574)	(791)	(284)
Deferred provision (benefit)	(8,751)	(9,969)	(8,246)
Income Tax Expense (Benefit), Total	$ (1,480)	$ (9,828)	$ 12,575
Effective income tax rate reconciliation [Abstract]
Provision (benefit) computed at Federal statutory rate	21.00%	21.00%	21.00%
Business tax credits	(14.60%)	(12.20%)	(3.70%)
Stock-based compensation	6.40%	(0.10%)	(1.60%)
Foreign income taxed at different rate	(21.00%)	(17.60%)	(18.50%)
GILTI inclusion	2.40%	4.10%	8.50%
Uncertain Tax Positions	(3.70%)	(18.60%)	(0.10%)
Valuation allowance	5.30%	4.30%	1.30%
Other	(0.60%)	(2.30%)	0.00%
Effective Income Tax Rate Reconciliation, Percent, Total	(4.80%)	(21.40%)	6.90%
Components of deferred income tax assets (liabilities) [Abstract]
R&D costs capitalized for tax purposes	$ 39,807	$ 30,886
Other reserves and accruals	3,598	861
Tax credit carry-forwards	29,558	28,223
Stock compensation	3,155	1,543
Capital losses	140	141
Net operating loss	2,268	2,269
Other	421	465
Valuation allowance	(32,659)	(31,031)
Deferred tax assets, net of valuation allowance	46,288	33,357
Fixed assets, Intangible and Goodwill	(9,814)	(5,040)
Deferred tax liabilities	(9,814)	(5,040)
Net deferred tax assets	36,474	28,317
Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, balance at beginning of period	16,389	23,386	$ 21,363
Gross increase for tax positions of current year	765	605	2,188
Gross decrease for tax positions of prior years	(876)	0	0
Statute of limitation release for tax positions of prior years	(1,103)	(7,602)	(165)
Unrecognized tax benefits, balance at end of period	15,175	16,389	23,386
Unrecognized tax benefits [Abstract]
Unrecognized tax benefits, balance at end of period	15,175	16,389	$ 23,386
Income tax benefit that would be recorded if unrecognized tax benefits are recognized	3,800
Income tax interest and penalties accrued	300	$ 300
State and Local Jurisdiction | California Taxing Authority
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	44,200
Research Tax Credit Carryforward | State and Local Jurisdiction | California Taxing Authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	42,000
Research Tax Credit Carryforward | State and Local Jurisdiction | New Jersey Division of Taxation
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	1,000
Research Tax Credit Carryforward | Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	$ 3,800
Earliest Tax Year | State and Local Jurisdiction | California Taxing Authority
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2032
Earliest Tax Year | Research Tax Credit Carryforward | State and Local Jurisdiction | New Jersey Division of Taxation
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2026
Earliest Tax Year | Research Tax Credit Carryforward | Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2030