Document and Entity Information
Document and Entity Information - shares | 3 Months Ended | |
Mar. 31, 2020 | Apr. 30, 2020 | |
Cover [Abstract] | ||
Document Type | 10-Q/A | |
Amendment Flag | true | |
Document Period End Date | Mar. 31, 2020 | |
Document Fiscal Year Focus | 2020 | |
Document Fiscal Period Focus | Q1 | |
Trading Symbol | AVLR | |
Entity Registrant Name | AVALARA, INC. | |
Entity Central Index Key | 0001348036 | |
Current Fiscal Year End Date | --12-31 | |
Entity Filer Category | Large Accelerated Filer | |
Entity Small Business | false | |
Entity Emerging Growth Company | false | |
Entity Common Stock, Shares Outstanding | 78,422,284 | |
Entity Current Reporting Status | Yes | |
Entity Shell Company | false | |
Entity File Number | 001-38525 | |
Entity Tax Identification Number | 91-1995935 | |
Entity Address, Address Line One | 255 South King Street | |
Entity Address, Address Line Two | Suite 1800 | |
Entity Address, City or Town | Seattle | |
Entity Address, State or Province | WA | |
Entity Address, Postal Zip Code | 98104 | |
City Area Code | 206 | |
Local Phone Number | 826-4900 | |
Entity Interactive Data Current | Yes | |
Title of 12(b) Security | Common Stock, Par Value $0.0001 Per Share | |
Security Exchange Name | NYSE | |
Entity Incorporation, State or Country Code | WA | |
Document Quarterly Report | true | |
Document Transition Report | false | |
Amendment Description | Avalara, Inc. (the “Company”) is filing this Amendment No. 1 (this “Amendment No. 1”) to its quarterly report on Form 10-Q for the quarterly period ended March 31, 2020, as filed with the Securities and Exchange Commission on May 8, 2020 (the “Original Form 10-Q”), in order to correct the inadvertent omission of certain language in paragraph 4 of the certification of its Chief Executive Officer filed as Exhibit 31.1 and the certification of its Chief Financial Officer filed as Exhibit 31.2 to the Original Form 10-Q. This Amendment No. 1 should be read in conjunction with the Original Form 10-Q, which continues to speak as of the date of the Original Form 10-Q. Other than the filing of the corrected certifications mentioned above, this Amendment No. 1 does not modify or update the disclosures in the Original Form 10-Q in any way. Accordingly, this Amendment No. 1 does not reflect events occurring after the filing of the Original Form 10-Q or modify or update any related or other disclosures. |