| Document and Entity Information | Aug. 07, 2023 |
| Document And Entity Information [Line Items] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Aug. 07, 2023 |
| Entity Registrant Name | ALLURION TECHNOLOGIES, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-41767 |
| Entity Tax Identification Number | 92-2182207 |
| Entity Address, Address Line One | 11 Huron Drive |
| Entity Address, City or Town | Natick |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01760 |
| City Area Code | 508 |
| Local Phone Number | 647-4000 |
| 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 Description | This Amendment No. 1 on Form 8-K/A (“Amendment No. 1”) amends the Current Report on Form 8-K of Allurion Technologies, Inc., a Delaware corporation (the “Company”), filed on August 7, 2023 (the “Original Report”), in which the Company reported, among other events, the completion of the Business Combination (as defined in the Original Report).This Amendment No. 1 is being filed in order to include (1) the unaudited condensed consolidated financial statements of Allurion Technologies Opco, Inc. (formerly Allurion Technologies, Inc. “Allurion”), as of June 30, 2023 and for the six months ended June 30, 2023 and 2022, (2) Management’s Discussion and Analysis of Financial Condition and Results of Operations of Allurion for the six months ended June 30, 2023 and 2022, (3) the unaudited condensed consolidated financial statements of Compute Health Acquisition Corp., a Delaware corporation (“Compute Health”), as of June 30, 2023 and for the three and six months ended June 30, 2023 and 2022, (4) Management’s Discussion and Analysis of Financial Condition and Results of Operations of Compute Health for the three and six months ended June 30, 2023 and 2022, and (5) the unaudited pro forma condensed combined financial information of Compute Health and Allurion as of and for the six months ended June 30, 2023.This Amendment No. 1 does not amend any other item of the Original Report or purport to provide an update or a discussion of any developments at the Company or its subsidiaries, including Allurion, subsequent to the filing date of the Original Report. The information previously reported in or filed with the Original Report is hereby incorporated by reference to this Form 8-K/A. |
| Entity Central Index Key | 0001964979 |
| Common Stock, par value $0.0001 per share [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Trading Symbol | ALUR |
| Security Exchange Name | NYSE |
| Redeemable Warrants, each exercisable for 1.420455 shares of Common Stock for $8.10 per share [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Warrants to purchase 1.420455 shares of common stock, each at an exercise price of $8.10 per share of common stock |
| Trading Symbol | ALUR WS |
| Security Exchange Name | NYSE |
