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Related party transactions - Additional Information (Detail) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Related Party Transaction [Line Items] |  |
Related party receivables | $ 4,005 | $ 3,121
Related party accrued cost of revenue | 5,915 | 1,718
Accounts payable | 17,867 | 12,995
Alpha Steel [Member] |  |
Related Party Transaction [Line Items] |  |
Related party receivables | 4,000 | 3,100
Related party accrued cost of revenue | 5,900 | 1,700
Total received Invoices from Alpha Steel | 2,900 | 7,600
Purchase commitment of contractual obligations | 4,000 |
Accounts payable | $ 3,200 | $ 500

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