v3.26.3
Cover Page - shares
 9 Months Ended
Sep. 30, 2026
Oct. 27, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2026  
Document Transition Report false  
Entity File Number 001-39558  
Entity Registrant Name PERELLA WEINBERG PARTNERS  
Entity Incorporation State Country Code DE  
Entity Tax Identification Number 84-1770732  
Entity Address, Address Line One 767 Fifth Avenue  
Entity Address City Or Town New York  
Entity Address State Or Province NY  
Entity Address, Postal Zip Code 10153  
City Area Code 212  
Local Phone Number 287-3200  
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share  
Trading Symbol PWP  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001777835  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   81,001,380
Class B Common Stock, par value $0.0001 per share    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   18,021,285