| Cover | Nov. 14, 2022 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 14, 2022 |
| Entity File Number | 001-40033 |
| Entity Registrant Name | P3 Health Partners Inc. |
| Entity Central Index Key | 0001832511 |
| Entity Tax Identification Number | 85-2992794 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 2370 Corporate Circle |
| Entity Address, Address Line Two | 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common Class A [Member] | |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | PIII |
| Security Exchange Name | NASDAQ |
| Warrant [Member] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50. |
| Trading Symbol | PIIIW |
| Security Exchange Name | NASDAQ |
