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Commitments and Contingencies -Additional Information (Detail) - USD ($) | Jul. 30, 2020 | Apr. 29, 2020 | Dec. 31, 2020 | Feb. 26, 2019
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Operating Leased Assets [Line Items] |  |  |  |
Nonprobable Sales Tax Due |  |  | $ 1,500,000 |
Maximum [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Damages sought per each violation | $ 1,500 | $ 1,500 |  |
Minimum [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Damages sought per each violation | $ 500 | $ 500 |  |
Settlement Agreement [Member] | Prepaid Expenses and Other Current Assets [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Other receivables |  |  |  | $ 3,600,000
Settlement Agreement [Member] | Accrued Liabilities And Other Liabilities [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Accrued Liabilities |  |  |  | $ 4,800,000

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