XML 39 R30.htm IDEA: XBRL DOCUMENT
v3.21.2

Summary of Significant Accounting Policies - Research and Development (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Accounting Policies [Abstract] |  |  |  |
Research and development tax credits | $ 7 | $ 59 | $ 94 | $ 126

X
- Definition Research and Development Tax Credits + References No definition available. + Details
Name: | autl_ResearchAndDevelopmentTaxCredits
Namespace Prefix: | autl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration