Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Oct. 14, 2022
Jun. 30, 2021
Document Type 10-K      
Document Annual Report true      
Document Period End Date Dec. 31, 2021      
Current Fiscal Year End Date --12-31      
Document Transition Report false      
Entity File Number 001-40033      
Entity Registrant Name P3 Health Partners Inc.      
Entity Incorporation, State or Country Code DE      
Entity Tax Identification Number 85-2992794      
Entity Address, Address Line One 2370 Corporate Circle Suite 300      
Entity Address, City or Town Henderson      
Entity Address State Or Province NV      
Entity Address, Postal Zip Code 89074      
City Area Code 702      
Local Phone Number 910-3950      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
Entity Current Reporting Status No      
Entity Interactive Data Current No      
Entity Filer Category Non-accelerated Filer      
Entity Small Business true      
Entity Emerging Growth Company true      
Entity Ex Transition Period false      
ICFR Auditor Attestation Flag false      
Entity Shell Company false      
Entity Public Float       $ 248
Auditor Name BDO USA, LLP KPMG LLP    
Auditor Location Las Vegas, Nevada Irvine, California    
Auditor Firm ID 243 185    
Entity Central Index Key 0001832511      
Document Fiscal Year Focus 2021      
Document Fiscal Period Focus FY      
Amendment Flag false      
Class A Common        
Title of 12(b) Security Class A Common Stock, Par Value $0.0001 per share      
Trading Symbol PIII      
Security Exchange Name NASDAQ      
Entity Common Stock, Shares Outstanding     41,578,890  
Class V Common        
Entity Common Stock, Shares Outstanding     202,024,923  
Title of 12(b) Security Warrants, each whole warrant exercisable for oneshare of Class A Common Stock at an exercise priceof $11.50      
Trading Symbol PIIIW      
Security Exchange Name NASDAQ