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Summary of Significant Accounting Policies - Summary of Loans and Financing Receivable (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable | $ 36,912 | $ 10,188
Billed Accounts Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable | 12,578 | 6,516
Unbilled Accounts Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable | $ 24,334 | $ 3,672

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