BALANCE SHEETS COMPONENTS - Schedule of Accrued Warranty Activities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Accrued warranty - beginning of period	$ 164,314	$ 116,876	$ 152,201	$ 112,478
Warranty costs incurred	(9,076)	(7,445)	(16,074)	(15,359)
Provision for warranty	18,172	14,960	37,283	27,272
Accrued warranty - end of period	173,410	$ 124,391	173,410	$ 124,391
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Accrued warranty - beginning of period			58,800
Accrued warranty - end of period	74,900		74,900
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Accrued warranty - beginning of period			93,400
Accrued warranty - end of period	$ 98,500		$ 98,500

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(5)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-8

+ Details

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- Definition

Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

+ References

+ Details

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- Definition

Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties.

+ References

+ Details

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