Collaborative Arrangement, Term

No definition available.

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- Definition

Proceeds From Collaborative Agreement

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Proceeds From Collaborative Agreement, Cash Recoveries

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Proceeds From Collaborative Agreement, Non-refundable

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

Reinsurance Program, Number Of Programs

+ References

No definition available.

+ Details

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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

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
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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

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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

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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

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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

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- Definition

Percentage of risk undertaken originally by insurer ceded to reinsurer.

+ References

+ Details

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

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Reinsurance - Additional Information (Details) $ in Millions				1 Months Ended		3 Months Ended	6 Months Ended
	Apr. 01, 2024 USD ($) program layer	Jan. 19, 2024	Jul. 01, 2023 USD ($)	Jan. 31, 2024 USD ($)	Aug. 31, 2023 USD ($) layer	Mar. 31, 2024 USD ($) placement	Dec. 31, 2023 USD ($)
Reinsurance Retention [Line Items]
Term		5 years
Proceeds from collaborative agreement				$ 25.0
Proceeds from collaborative agreement, cash recoveries						$ 3.0
Other income						$ 8.7
Vesttoo \| Homeowners of America Insurance Company
Reinsurance Retention [Line Items]
Additional premium payments							$ 20.0
Reinsurance, collateral received from trust			$ 47.6
Reinsurance, collateral, line of credit facility			300.0
Provision for doubtful accounts							$ 36.0
Maximum \| Vesttoo \| Homeowners of America Insurance Company
Reinsurance Retention [Line Items]
Reinsurance coverage limit			$ 175.0
Reinsurance Quota Share Program
Reinsurance Retention [Line Items]
Number of placements for reinsurance programs \| placement						3
Reinsured risk percentage	27.50%
Number of programs \| program	1
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 program
Reinsurance Retention [Line Items]
Reinsured risk percentage						9.50%
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]
Number of retention layers for reinsurance policy \| layer	5				4
Excess amount retained	$ 465.0				$ 440.0
Reinsurance Property Catastrophe Treaties \| Minimum
Reinsurance Retention [Line Items]
Amount retained	45.0				20.0
Reinsurance Property Catastrophe Treaties \| Maximum
Reinsurance Retention [Line Items]
Amount retained	$ 75.0				$ 80.0