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Support Service Fees - Additional Information (Detail) - Administrative Support Services Agreement - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Support Service Fees [Line Items] |  |  |  |
Support service fees | $ 500,000 | $ 1,600,000 | $ 1,100,000 | $ 3,600,000
Prepaid Expenses and Other Current Assets |  |  |  |
Support Service Fees [Line Items] |  |  |  |
Other Receivables | $ 627,000 |  | $ 627,000 |
Other Receivable, after Allowance for Credit Loss, Related and Nonrelated Party Status [Extensible Enumeration] | Related Party [Member] |  | Related Party [Member] |

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