| Accrued and Other Current Liabilities | 9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep. 30, 2021 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Payables And Accruals [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accrued and Other Current Liabilities | 4. Accrued and Other Current Liabilities Accrued and other current liabilities consist of the following: 
 
 
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| X | ||||||||||
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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. No definition available. 
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| X | ||||||||||
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- References No definition available. 
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