Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
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

No definition available.

+ Details

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

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TechnologyBasedIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=prch_RenewalRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=prch_ResidentialWarrantyServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Combination - Fair value of the intangible assets (Details) - USD ($) $ in Thousands		6 Months Ended
	Apr. 01, 2022	Jun. 30, 2022
Customer relationships
Business Acquisition [Line Items]
Estimated Useful Life (in years)		7 years
Acquired technology
Business Acquisition [Line Items]
Estimated Useful Life (in years)		4 years 6 months
Trademarks and tradenames
Business Acquisition [Line Items]
Estimated Useful Life (in years)		9 years 3 months 18 days
Non-competition agreements
Business Acquisition [Line Items]
Estimated Useful Life (in years)		6 years 7 months 6 days
Renewal rights
Business Acquisition [Line Items]
Estimated Useful Life (in years)		5 years
Residential Warranty Services
Business Acquisition [Line Items]
Fair Value of Intangible assets	$ 13,190
Estimated Useful Life (in years)	5 years 6 months
Residential Warranty Services \| Customer relationships
Business Acquisition [Line Items]
Fair Value of Intangible assets	$ 11,920
Estimated Useful Life (in years)	5 years 4 months 24 days
Residential Warranty Services \| Acquired technology
Business Acquisition [Line Items]
Fair Value of Intangible assets	$ 500
Estimated Useful Life (in years)	3 years
Residential Warranty Services \| Trademarks and tradenames
Business Acquisition [Line Items]
Fair Value of Intangible assets	$ 500
Estimated Useful Life (in years)	9 years
Residential Warranty Services \| Non-competition agreements
Business Acquisition [Line Items]
Fair Value of Intangible assets	$ 180
Estimated Useful Life (in years)	7 years
Residential Warranty Services \| Renewal rights
Business Acquisition [Line Items]
Fair Value of Intangible assets	$ 90
Estimated Useful Life (in years)	5 years