Capital management Capital management (Details)	Dec. 31, 2019 offering
ATM Facility
Disclosure of classes of share capital [line items]
Number of equity offerings	2

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

Name:	ifrs-full_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration