Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
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| Revenue Recognition [Abstract] | |||||
| Revenue recognized from contract liability | $ 200 | $ 300 | |||
| Contract With Customer Liability Revenue Recognized Extended Warranty | 1,100 | $ 2,000 | |||
| Undelivered elements (product training, installation, product and support services) | $ 1,015 | $ 1,015 | $ 670 | ||
| Revenue from services transferred to customers over time, percentage | 12.00% | 14.00% | 12.00% | 22.00% | |
| Revenue from products and services transferred to customers, percentage | 88.00% | 86.00% | 88.00% | 78.00% | |
| X | ||||||||||
- Definition Contract with customer liability in undelivered elements. No definition available.
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| X | ||||||||||
- Definition Contract with customer liability, revenue recognized, extended warranty. No definition available.
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| X | ||||||||||
- Definition Contract with customer liability, revenue recognized, undelivered elements. No definition available.
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| X | ||||||||||
- Definition Revenue from products and services transferred to customers at a single point in time, percentage. No definition available.
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| X | ||||||||||
- Definition Revenue from services transferred to customers over time, percentage. No definition available.
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| X | ||||||||||
- References No definition available.
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