Description of Business and Summary of Significant Accounting Policies - Description of Business (Details)	Jun. 30, 2022 company
Description of Business and Summary of Significant Accounting Policies
Number of Home Service Companies Served	28,500
Number of Insurance Companies Served	20

The number of home service companies the entity provide service as of the balance sheet date.

No definition available.

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