Commitments and contingencies - Agreements with CROs (Details) $ in Millions	Jun. 30, 2020 USD ($)
Commitments and contingencies
Maximum future payable under agreements with CROs	$ 38.5

The maximum future amount payable for specified research and development activities under various agreements, at balance sheet date.

No definition available.

Name:	albo_OtherCommitmentMaximumFutureAmountPayableForSpecifiedResearchAndDevelopmentActivities
Namespace Prefix:	albo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant