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Advanced Manufacturing Production Tax Credit, Income Tax Payable Benefit

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Revenue From Contract With Customer, Service Period

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Indicates line item in statement of financial position that includes accrued interest, after allowance for credit loss, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Amount of loss from impairment of right-of-use asset from operating lease.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) reporting_unit	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value, Option, Quantitative Disclosures [Line Items]
AMPTC, income tax payable benefit	$ 157,500,000	$ 53,500,000
AMPTC, cost of revenues reduction	157,500,000	53,500,000
Accrued interest receivable	$ 10,100,000	$ 7,600,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current
Restricted cash	$ 95,000,000.0
Accounts receivable, allowance	7,788,000	$ 2,502,000
Property and equipment impairment charge	2,300,000	5,700,000	$ 0
Right of use asset impairment charges	$ 100,000	1,100,000	1,200,000
Number of reporting unit \| reporting_unit	1
Goodwill, impairment loss	$ 0	0	0
Impairment of intangible assets	3,528,000	3,807,000	0
Advertising costs	1,700,000	$ 3,800,000	$ 3,800,000
Prepaid Expenses and Other Current Assets
Fair Value, Option, Quantitative Disclosures [Line Items]
AMPTC, income tax payable benefit	94,900,000
Income Tax Payable
Fair Value, Option, Quantitative Disclosures [Line Items]
AMPTC, income tax payable benefit	$ 62,700,000
Capitalized software costs
Fair Value, Option, Quantitative Disclosures [Line Items]
Property, plant and equipment, useful life	3 years
One Customer
Fair Value, Option, Quantitative Disclosures [Line Items]
Accounts receivable, allowance	$ 6,200,000
Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Property, plant and equipment, useful life	3 years
Intangible assets, estimated useful life	9 years
Period failure rate measurement lags product sale	3 months
Minimum \| Capitalized software costs
Fair Value, Option, Quantitative Disclosures [Line Items]
Property, plant and equipment, useful life	3 years
Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Property, plant and equipment, useful life	10 years
Intangible assets, estimated useful life	5 years
Period failure rate measurement lags product sale	9 months
Maximum \| Capitalized software costs
Fair Value, Option, Quantitative Disclosures [Line Items]
Property, plant and equipment, useful life	5 years
Monitoring Hardware And Service
Fair Value, Option, Quantitative Disclosures [Line Items]
Service period	7 years
Monitoring Hardware And Service \| Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Capitalized contract cost, amortization period	5 years
Monitoring Hardware And Service \| Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Capitalized contract cost, amortization period	7 years
Subscription Contracts \| Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Service period	3 months
Subscription Contracts \| Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Service period	12 months
Microinverter, First and Second Generation
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	15 years
Microinverter, Subsequent Generations \| Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	25 years
Battery Products \| Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	10 years
Battery Products \| Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	15 years
IQ PowerPack 1500
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	5 years
IQ Gateway And IQ Energy Router
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	5 years
EV Charger \| Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	1 year
EV Charger \| Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	5 years
Third and Fourth Generation \| Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	5 years
Third and Fourth Generation \| Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Product warranty, term	25 years