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v3.22.4

Equity and Warrants - Public and private warrant activity (Details) | 12 Months Ended
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Dec. 31, 2021 shares
Equity and Warrants |
Beginning balance | 14,325,000
Exercised | (12,352,830)
Canceled | (176,470)
Ending balance | 1,795,700
Exercised | 11,521,412
Ending Balance | 11,521,412

X
- Definition Number of warrants or rights cancelled. + References No definition available. + Details
Name: | prch_ClassOfWarrantOrRightCancelled
Namespace Prefix: | prch_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of common shares issued on warrant exercise outstanding. + References No definition available. + Details
Name: | prch_ClassOfWarrantOrRightCommonSharesIssuedOnWarrantExerciseOutstanding
Namespace Prefix: | prch_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights Exercised. + References No definition available. + Details
Name: | prch_ClassOfWarrantOrRightExercised
Namespace Prefix: | prch_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shares issued on exercise of warrants + References No definition available. + Details
Name: | prch_StockIssuedDuringPeriodSharesWarrantsExercised
Namespace Prefix: | prch_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration