v3.26.1
Cover Page - shares
3 Months Ended
Mar. 31, 2026
May 01, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-37496  
Entity Registrant Name RAPID7, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 35-2423994  
Entity Address, Address Line One 120 Causeway Street  
Entity Address, City or Town Boston,  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02114  
City Area Code 617  
Local Phone Number 247-1717  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol RPD  
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 Common Stock, Shares Outstanding   66,830,618
Entity Central Index Key 0001560327  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus (i.e. Q1,Q2,Q3,FY) Q1  
Amendment Flag false