Cover - USD ($)	12 Months Ended
Cover - USD ($)	Dec. 31, 2025	Feb. 13, 2026	Jun. 30, 2025
Document Information [Line Items]
Document Type	10-K/A
Amendment Flag	true
Document Period End Date	Dec. 31, 2025
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Transition Report	false
Entity Registrant Name	RAPID7, INC.
Entity Central Index Key	0001560327
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity File Number	001-37496
Entity Incorporation, State or Country Code	DE
Entity Interactive Data Current	Yes
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
Entity Tax Identification Number	35-2423994
City Area Code	617
Local Phone Number	247-1717
Entity Public Float			$ 1,472,401,190
Document Financial Statement Error Correction [Flag]	true
ICFR Auditor Attestation Flag	false
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	RPD
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		65,893,112
Amendment Description	This Amendment No. 1 on Form 10-K/A (“Amendment No. 1”) is being filed to amend the Annual Report on Form 10-K for the fiscal year ended December 31, 2025 (the “Original Filing”), filed by Rapid7, Inc. with the U.S. Securities and Exchange Commission on February 19, 2026. The sole purpose of this Amendment No. 1 is to attach Exhibit 97, which was inadvertently omitted from the Original Filing. Except as described above, no changes have been made to the Original Filing, and this Amendment No. 1 does not modify, amend or update in any way any of the financial or other information contained in the Original Filing. This Amendment No. 1 does not reflect events that may have occurred subsequent to the date of the Original Filing. Pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended, this Amendment No. 1 contains new certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, which are attached hereto. Because no financial statements have been included in this Amendment No. 1, and this Amendment No. 1 does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted. Similarly, because no financial statements have been included in this Amendment No. 1, certifications pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 have been omitted.
Document Financial Statement Restatement Recovery Analysis [Flag]	false

Rapid7, Inc. 10-K/A