Property and Equipment, Net - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Property, Plant and Equipment [Abstract] | ||
| Fully depreciated computer software and hardware equipment and furniture, fixtures and equipment write-off | $ 1,300,000 | $ 5,000,000.0 |
| Property and equipment additions incurred but not yet paid | 154,000 | $ 619,000 |
| Impairment of Long-Lived Assets Held-for-use | $ 0 | |
| X | ||||||||||
- Definition Fully depreciated computer software hardware and furniture fixtures and equipment writeoff. No definition available.
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| X | ||||||||||
- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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