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Balance Sheet Components - Additional Information (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Product Warranty Liability [Line Items] |  |  |
Accrued warranty | $ 1,760 | $ 1,731 | $ 1,714
Other Current Liabilities |  |  |
Product Warranty Liability [Line Items] |  |  |
Accrued warranty | 1,300 |  |
Other Noncurrent Liabilities |  |  |
Product Warranty Liability [Line Items] |  |  |
Accrued warranty | $ 500 |  |

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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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