WARRANTY OBLIGATIONS - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
WARRANTY OBLIGATIONS - Narrative (Details) $ in Thousands	Sep. 30, 2024 USD ($) country	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)	$ 4,584	$ (1,983)	$ (8,052)	$ (8,618)
Product warranty, product warranty replacements, number of countries \| country	9
Microinverter
Product Warranty Liability [Line Items]
Product warranty, term	20 years		20 years
IQ Battery \| Minimum
Product Warranty Liability [Line Items]
Product warranty, term				10 years
IQ Battery \| Maximum
Product Warranty Liability [Line Items]
Product warranty, term				15 years
Defects In Materials
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)	$ 8,400	6,000	$ 10,200	$ 11,900
Change In Warranty Period
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)	500		500	6,100
Product Replacement Costs Related To IQ Battery
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)	$ (4,300)	(9,200)	(15,500)	(29,700)
Field Performance Data And Diagnostic Root-Cause Failure Analysis To Other Products
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)		700	1,100	4,700
Product Replacement Costs Related To Other Products
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)		$ 500		$ (1,600)
Field Performance Data And Diagnostic Root-Cause Failure Analysis For IQ Battery
Product Warranty Liability [Line Items]
Additional warranty expense (benefit)			$ (4,400)