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Support Service Fees - Additional Information (Detail) - Prepaid Expenses and Other Current Assets - Administrative Support Services Agreement - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Support Service Fees [Line Items] |  |
Other Receivables | $ 0.1 | $ 0.4
Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration] | Related Party [Member] | Related Party [Member]

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