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v3.22.1

Summary of Significant Accounting Policies - Schedule of Estimated Useful Life of Intangible Assets (Detail) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 1 year 9 months | 1 year 9 months
Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 15 years | 15 years
Technologies [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 5 years |
Trademarks [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 3 years |
Trademarks [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 15 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 5 years |
Websites [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 4 years |
Domain Names [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 4 years |
Domain Names [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 10 years |
Licensing Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 1 year 9 months |
Insurance Brokerage License [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 4 years |
Database [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Estimated useful life | 5 years |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Data Type: | na
Balance Type: |
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- Details
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- Details
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- Details
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |