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Commitments and Contingencies (Details) - USD ($) $ in Thousands |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 04, 2025 | Jun. 17, 2024 | Mar. 15, 2024 | Oct. 23, 2023 | Mar. 16, 2023 | Feb. 28, 2023 | Jan. 31, 2023 | Sep. 28, 2025 | Sep. 28, 2025 | Dec. 29, 2024 | Dec. 31, 2023 | Feb. 22, 2024
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency in accrued expenses and other current liabilities |  |  |  |  |  |  |  | $ 9,200 | $ 9,200 | $ 7,700 | $ 7,700 |
Damages amount |  |  |  |  | $ 220,000 |  |  |  |  |  |  |
Subsidiaries indemnity obligations |  |  |  |  |  |  |  |  |  |  |  | $ 6,900
Accrual amount of legal loss |  |  |  |  |  |  |  |  |  | 6,900 | 6,900 |
Additional expense |  |  |  |  |  |  |  | 1,100 |  |  | 30,700 |
Letters of credit outstanding |  |  |  |  |  |  |  | 3,500 | 3,500 | 3,500 |  |
Restricted cash accounts |  |  |  |  |  |  |  | 3,800 | 3,800 | $ 3,800 | 3,800 |
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  |  |  |  |  |  |  |  |  | Other long-term liabilities |  |
Current portion of finance lease liabilities |  |  |  |  |  |  |  | 1,924 | 1,924 | $ 2,053 |  |
current portion of operating lease liabilities |  |  |  |  |  |  |  | 1,689 | 1,689 | 1,412 |  |
Noncurrent portion of finance lease liabilities |  |  |  |  |  |  |  |  |  | 1,800 |  |
Noncurrent portion of operating lease liabilities |  |  |  |  |  |  |  | 1,335 | 1,335 | 2,263 | 664 |
Legal loss |  |  |  |  |  |  |  |  |  | 6,900 | $ 6,900 |
Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payment for settlement | $ 9,500 |  |  |  |  |  |  |  |  |  |  |
Debt amount | 1,000 |  |  |  |  |  |  |  |  |  |  |
Security interest | $ 9,500 |  |  |  |  |  |  |  |  |  |  |
Siemens Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Damages amount |  |  |  | $ 6,900 |  |  |  |  |  |  |  |
Fees, expenses, and pre-judgment interest |  |  | $ 2,670 |  |  |  |  |  |  |  |  |
Liability for legal settlement |  |  |  |  |  |  |  | $ 8,000 | 8,000 |  |  |
SolarPark Korea Co., LTD [Member] |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Demanded amount |  |  |  |  |  |  | $ 80,000 |  |  |  |  |
Damages amount |  |  |  |  |  | $ 26,400 |  |  |  |  |  |
Additional expense |  |  |  |  |  |  |  |  | $ 2,000 |  |  |
Attorney [Member] |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Attorneys’ fees and costs |  | $ 2,000 |  |  |  |  |  |  |  |  |  |
Accrual amount of legal loss |  |  |  |  |  |  |  |  |  | $ 2,000 |  |

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