| Cover Page | Nov. 04, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 04, 2022 |
| Entity Registrant Name | PERIMETER SOLUTIONS, SA |
| Entity Incorporation, State or Country Code | N4 |
| Entity File Number | 001-41027 |
| Entity Tax Identification Number | 98-1632942 |
| Entity Address, Address Line One | 12E rue Guillaume Kroll |
| Entity Address, Postal Zip Code | L-1882 |
| Entity Address, Country | LU |
| Entity Address, City or Town | Grand Duchy of Luxembourg |
| City Area Code | 314 |
| Local Phone Number | 396-7343 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001880319 |
| Common Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Ordinary Shares, nominal value $1.00 per share |
| Trading Symbol | PRM |
| Security Exchange Name | NYSE |
| Warrant | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants for Ordinary Shares |
| Trading Symbol | PRMFF |
