Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Aug. 12, 2021
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2021
Entity File Number	001-39142
Entity Registrant Name	Porch Group, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	83-2587663
Entity Address, Address Line One	2200 1st Avenue S
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Seattle
Entity Address State Or Province	WA
Entity Address, Postal Zip Code	98134
City Area Code	855
Local Phone Number	767-2400
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	PRCH
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		96,734,221
Entity Central Index Key	0001784535
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Amendment Flag	false