Revenues - Additional Information (Detail) - USD ($) $ in Millions |
Sep. 30, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Disaggregation of Revenue [Line Items] | ||
| Remaining performance obligations | $ 36.4 | $ 46.1 |
| 2021 [Member] | ||
| Disaggregation of Revenue [Line Items] | ||
| Remaining performance obligations | 11.7 | 28.5 |
| 2022 [Member] | ||
| Disaggregation of Revenue [Line Items] | ||
| Remaining performance obligations | 23.1 | 11.4 |
| Thereafter [Member] | ||
| Disaggregation of Revenue [Line Items] | ||
| Remaining performance obligations | $ 1.6 | $ 6.2 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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