XML 60 R51.htm IDEA: XBRL DOCUMENT v3.21.1

Share-Based Compensation - Share Based Compensation Allocation Narratives (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Share-based Payment Arrangement [Abstract]
Share-based payment arrangement, expense, decrease	$ (6.9)

X

- Definition

Share-based Payment Arrangement, Expense, Increase (Decrease)

+ References

No definition available.

+ Details

Name:	autl_ShareBasedPaymentArrangementExpenseIncreaseDecrease
Namespace Prefix:	autl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration