XML 73 R34.htm IDEA: XBRL DOCUMENT
v3.21.1

Events occurring after the reporting period | 12 Months Ended
--- | ---
Dec. 31, 2020
Text Block [Abstract] |
Events occurring after the reporting period |
28. | Events occurring after the reporting period
The Company evaluated subsequent events for recognition or disclosure through March 30, 2021 and did not identify material subsequent events.

X
- Definition The entire disclosure for events after the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 10 -IssueDate 2020-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI -URIDate 2020-01-01 + Details
Name: | ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Text block. + References No definition available. + Details
Name: | imtx_TextBlockAbstract
Namespace Prefix: | imtx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration