11. Commitments and Contingencies (Details) - Product Warranties - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Movement in Standard Product Warranty Accrual [Roll Forward]
Product warranty liability, beginning of period	$ 77,228	$ 75,828	$ 79,408	$ 76,435
Accruals for new warranties issued	3,961	4,341	13,438	10,320
Settlements	(19,643)	(3,877)	(34,218)	(10,449)
Changes in estimate of product warranty liability	10,357	13,250	13,275	13,236
Product warranty liability, end of period	71,903	89,542	71,903	89,542
Current portion of warranty liability	58,917	73,427	58,917	73,427
Noncurrent portion of warranty liability	12,986	$ 16,115	12,986	$ 16,115
Series 7 modules manufacturing issue
Movement in Standard Product Warranty Accrual [Roll Forward]
Current portion of warranty liability	46,000		46,000
Warranty Obligations \| Minimum [Member]
Movement in Standard Product Warranty Accrual [Roll Forward]
Loss Contingency, Estimate of Possible Loss	40,000		40,000
Warranty Obligations \| Maximum [Member]
Movement in Standard Product Warranty Accrual [Roll Forward]
Loss Contingency, Estimate of Possible Loss	$ 65,000		$ 65,000

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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

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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.

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Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

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Amount of increase (decrease) in the standard product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes extended product warranties.

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