The amount of line of credit pursued as additional collateral in reinsurance arrangement.

No definition available.

Name:	prch_ReinsuranceCollateralLineOfCreditFacility
Namespace Prefix:	prch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of reinsurance collateral received from a trust.

+ References

No definition available.

+ Details

Name:	prch_ReinsuranceCollateralReceivedFromTrust
Namespace Prefix:	prch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum coverage per event.

+ References

No definition available.

+ Details

Name:	prch_ReinsuranceCoverageLimit
Namespace Prefix:	prch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of placements for reinsurance programs.

+ References

No definition available.

+ Details

Name:	prch_ReinsuranceProgramNumberOfPlacements
Namespace Prefix:	prch_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of retention layers for reinsurance policy.

+ References

No definition available.

+ Details

Name:	prch_ReinsuranceRetentionPolicyNumberOfRetentionLayers
Namespace Prefix:	prch_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

he amount of supplemental reinsurance coverage.

+ References

No definition available.

+ Details

Name:	prch_SupplementalReinsuranceCoverage
Namespace Prefix:	prch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash payments made for reinsurance during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-25

+ Details

Name:	us-gaap_PaymentsForReinsurance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expense (reversal of expense) for expected credit loss on reinsurance recoverable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_ReinsuranceRecoverableCreditLossExpenseReversal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount per event of risk undertaken originally by insurer that is not ceded to reinsurer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479838/944-20-50-3

+ Details

Name:	us-gaap_ReinsuranceRetentionAmountRetainedPerEvent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount per event of risk ceded to reinsurer in excess of risk undertaken originally by insurer that is not ceded to reinsurer.

+ References

+ Details

Name:	us-gaap_ReinsuranceRetentionExcessRetentionAmountReinsuredPerEvent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_ReinsuranceRetentionPolicyLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of risk undertaken originally by insurer ceded to reinsurer.

+ References

+ Details

Name:	us-gaap_ReinsuranceRetentionPolicyReinsuredRiskPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=prch_HomeownersOfAmericaInsuranceCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CededCreditRiskAxis=prch_VesttooMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ProFormaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=prch_ReinsuranceQuotaShareProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=prch_CoreLocationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=prch_CoastalLocationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_TX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_SC
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=prch_CoreLocationsOutsideOfTexasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=prch_CombinedProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=prch_ReinsurancePropertyCatastropheTreatiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=prch_ReinsurancePropertyNonWeatherLossesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Reinsurance - Additional information (Details) $ in Thousands			1 Months Ended	6 Months Ended	12 Months Ended
	Apr. 01, 2022 USD ($) layer	Mar. 31, 2022 USD ($) layer	Aug. 31, 2023 USD ($) layer	Dec. 31, 2023 USD ($) placement	Dec. 31, 2023 USD ($) placement	Dec. 31, 2022 placement layer	Dec. 31, 2021 placement
Homeowners of America Insurance Company
Reinsurance Retention [Line Items]
Supplemental Reinsurance Coverage				$ 146,300	$ 146,300
Vesttoo \| Homeowners of America Insurance Company
Reinsurance Retention [Line Items]
Reinsurance, Collateral Received From Trust				47,600
Reinsurance Recoverable, Credit Loss Expense (Reversal)				36,000
Reinsurance, Collateral, Line Of Credit Facility				300,000
Pro Forma \| Vesttoo \| Homeowners of America Insurance Company
Reinsurance Retention [Line Items]
Payments for Reinsurance				$ 20,000
Maximum \| Vesttoo \| Homeowners of America Insurance Company
Reinsurance Retention [Line Items]
Reinsurance Coverage Limit					$ 175,000
Reinsurance Quota Share Program
Reinsurance Retention [Line Items]
Number of placements for reinsurance programs \| placement				3	3	2	2
Reinsurance Quota Share Program \| Core Locations
Reinsurance Retention [Line Items]
Reinsured risk percentage					9.50%	90.00%	90.00%
Reinsurance Quota Share Program \| Coastal Locations
Reinsurance Retention [Line Items]
Reinsured risk percentage						61.75%	90.00%
Reinsurance Quota Share Program \| TEXAS
Reinsurance Retention [Line Items]
Reinsured risk percentage					42.00%
Reinsurance Quota Share Program \| SOUTH CAROLINA
Reinsurance Retention [Line Items]
Reinsured risk percentage					7.00%
Reinsurance Quota Share Program \| Core Locations outside of Texas
Reinsurance Retention [Line Items]
Reinsured risk percentage					8.00%
Reinsurance Quota Share Program \| Combined Program
Reinsurance Retention [Line Items]
Reinsured risk percentage					5.00%
Reinsurance Property Catastrophe Treaties
Reinsurance Retention [Line Items]
Amount retained	$ 4,000	$ 2,000
Excess amount retained	$ 336,000		$ 440,000
Number of retention layers for reinsurance policy \| layer	5	4	4			3
Reinsurance Property Catastrophe Treaties \| Minimum
Reinsurance Retention [Line Items]
Amount retained			$ 20,000
Reinsurance Property Catastrophe Treaties \| Maximum
Reinsurance Retention [Line Items]
Amount retained			$ 80,000
Reinsurance Property Non-weather Losses
Reinsurance Retention [Line Items]
Excess amount retained					$ 500
Reinsurance Property Non-weather Losses \| Core Locations
Reinsurance Retention [Line Items]
Amount retained					50
Reinsurance Property Non-weather Losses \| Coastal Locations
Reinsurance Retention [Line Items]
Amount retained					$ 191