The strike price to purchase common shares under the capped call transactions.

No definition available.

Name:	prch_CappedCallTransactionsStrikePrice
Namespace Prefix:	prch_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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

+ Details

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

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482689/260-10-45-22

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 23
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482689/260-10-45-23

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 26
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482689/260-10-45-26

+ Details

Name:	us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=prch_SeniorUnsecuredConvertibleNotesDue2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=prch_RestrictedStockUnitsAndAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=prch_PerformanceRestrictedStockUnitsPRSUsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=prch_PublicAndPrivateWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=prch_ConvertibleDebt2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=prch_ConvertibleDebt2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=prch_ConvertibleDebt2030Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Net Income (Loss) Attributable To Porch Per Share - Computation of Diluted Net Loss per Antidilutive (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Sep. 16, 2021
Convertible senior unsecured notes, due 2026
Net Loss Per Share
Capped call transactions, strike price (in usd per share)	$ 37.74		$ 25
Incremental common shares attributable to dilutive effect of call options and warrants (in shares)	200
Stock options
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	2,765	305
Restricted stock units and awards
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	5,368	0
Performance restricted stock units
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	6,808	1,561
Private warrants
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	0	1,796
Convertible debt \| Convertible debt - 2026 Notes
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	312	6,950
Convertible debt \| Convertible debt - 2028 Notes
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	13,332	13,332
Convertible debt \| Convertible debt - 2030 Notes
Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	8,527	0