v3.25.4
Cover Page - USD ($)
12 Months Ended
Dec. 31, 2025
Feb. 20, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-41027    
Entity Registrant Name PERIMETER SOLUTIONS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 33-2098357    
Entity Address, Address Line One 8000 Maryland Avenue    
Entity Address, Address Line Two Suite 350    
Entity Address, City or Town Clayton    
Entity Address, State or Province MO    
Entity Address, Postal Zip Code 63105    
City Area Code 314    
Local Phone Number 396-7343    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol PRM    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 1,854,719,564
Entity Common Stock, Shares Outstanding (in shares)   149,440,060  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement for its 2026 annual meeting of stockholders, which will be filed within 120 days of December 31, 2025, are incorporated by reference into Part III of this Annual Report on Form 10-K.
   
Entity Central Index Key 0001880319    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false