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v3.25.1

Reinsurance - Narrative (Details) $ in Millions | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
--- | --- | ---
Effects of Reinsurance [Line Items] |  |
Provision for sliding scale commission | $ 27.8 | $ 34.2
Receivable for sliding scale commission | 14.7 | 3.6
Provision for loss participation feature | $ 33.7 | $ 41.6
Reinsurance Policy, Type [Axis]: Non-Proportional Reinsurance — Hippo Home Insurance Program |  |
Effects of Reinsurance [Line Items] |  |
Excess retention, year return period, ratio | 0.004 |
Reinsurance Policy, Type [Axis]: Other Reinsurance - Corporate Catastrophe Excess of Loss Catastrophe Coverage |  |
Effects of Reinsurance [Line Items] |  |
Excess retention, year return period, ratio | 0.004 |
Reinsurance Policy, Type [Axis]: Other Reinsurance - Corporate Excess of Loss Catastrophe Coverage |  |
Effects of Reinsurance [Line Items] |  |
Excess retention, year return period, ratio | 0.004 |

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- Definition Provision for Loss Participation Feature + References No definition available. + Details
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Namespace Prefix: | hippo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Provision for Sliding Scale Commission + References No definition available. + Details
Name: | hippo_ProvisionForSlidingScaleCommission
Namespace Prefix: | hippo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Receivable for Sliding Scale Commission + References No definition available. + Details
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Namespace Prefix: | hippo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Reinsurance Retention Policy, Excess Retention, Year Return Period Ratio + References No definition available. + Details
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Data Type: | xbrli:pureItemType
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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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- Details
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Namespace Prefix: |
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- Details
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |