XML 135 R121.htm IDEA: XBRL DOCUMENT
v3.22.4

Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Ceded losses and LAE |  |  |  |  |  | $ 224,202 | $ 162,752
Restatement Adjustments | Error in Accounting for Reinsurance |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Ceded losses and LAE | $ (300) | $ 700 | $ 4,000 | $ 4,700 | $ 4,400 |  |

X
- 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
Name: | us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of reduction of provision for policy benefits and costs incurred for policies ceded. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=99397103&loc=d3e6811-158387 + Details
Name: | us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_RestatementAxis=srt_RestatementAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis=prch_ErrorInAccountingForReinsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |