11. Commitments and Contingencies (Details) - Product Warranties - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Movement in Standard Product Warranty Accrual [Roll Forward]
Product warranty liability, beginning of period	$ 77,430	$ 75,566	$ 79,408	$ 76,435
Accruals for new warranties issued	5,015	3,323	9,477	5,979
Settlements	(9,506)	(3,061)	(14,575)	(6,572)
Changes in estimate of product warranty liability	4,289	0	2,918	(14)
Product warranty liability, end of period	77,228	75,828	77,228	75,828
Current portion of warranty liability	56,650	60,165	56,650	60,165
Noncurrent portion of warranty liability	20,578	$ 15,663	20,578	$ 15,663
Series 7 modules manufacturing issue
Movement in Standard Product Warranty Accrual [Roll Forward]
Current portion of warranty liability	47,000		47,000
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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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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.

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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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