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Impairment charges on intangible assets - Narrative (Details) - Ballard Motive Solutions - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Nov. 30, 2021 | Nov. 11, 2021
Impairment of Assets and Intangible Assets [Line Items] |  |  |
intangible assets fair value | $ 2,500 | $ 15,517 |
Technology (patents, know-how and in-process research & development) | 2,500 |  |
Technology |  |  |
Impairment of Assets and Intangible Assets [Line Items] |  |  |
intangible assets fair value | 2,500 |  |
Non-compete agreement |  |  |
Impairment of Assets and Intangible Assets [Line Items] |  |  |
intangible assets fair value | 0 |  | $ 159
Impairment charges on intangible assets | 159 |  |
Acquired customer contracts and relationships |  |  |
Impairment of Assets and Intangible Assets [Line Items] |  |  |
intangible assets fair value | 0 |  | $ 880
Impairment charges on intangible assets | $ 880 |  |

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- Definition The amount recognised as of the acquisition date for identifiable intangible assets acquired in a business combination. [Refer: Intangible assets other than goodwill; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph IE72 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2022-03-24 + Details
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- Definition The amount of impairment loss recognised in profit or loss. [Refer: Impairment loss; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 126 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_126_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 129 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_129_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount recognised as of the acquisition date for technology-based intangible assets acquired in a business combination. [Refer: Technology-based intangible assets [member]; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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