BALANCE SHEET COMPONENTS - Property Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 01, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 493,739	$ 598,542
Less: accumulated depreciation	(213,714)	(218,074)
Property, plant and equipment, net	280,025	380,468
Manufacturing equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	185,536	300,089
Land and buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	148,808	151,763
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	85,536	89,215
Solar power systems
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,318	1,300
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	49,220	39,011
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,321	1,378
Construction-in-process
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 22,000	$ 15,786

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
-Paragraph 1
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-Publisher FASB
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- Definition

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Subparagraph (SX 210.5-02(13))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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