Equity-accounted Investments - Narrative (Details) ¥ in Thousands, $ in Thousands |
1 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
|
Sep. 30, 2023
USD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2022
CNY (¥)
|
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| Disclosure of joint ventures [line items] | |||||||
| Equity in loss of investment in joint venture and associates | $ 10,131 | $ 11,617 | [1] | ||||
| Synergy Ballard JVCo | |||||||
| Disclosure of joint ventures [line items] | |||||||
| Equity in loss of investment in joint venture and associates | $ 200 | 18 | |||||
| Proportion of ownership interest in joint venture | 10.00% | ||||||
| Weichai Ballard JV | |||||||
| Disclosure of joint ventures [line items] | |||||||
| Equity in loss of investment in joint venture and associates | $ 9,931 | $ 11,599 | |||||
| Proportion of ownership interest in joint venture | 49.00% | 49.00% | 49.00% | ||||
| Contributions (Proceeds) | $ 0 | $ 9,272 | ¥ 62,475 | ||||
| Synergy Ballard JVCo | |||||||
| Disclosure of joint ventures [line items] | |||||||
| Investment fair value cost | $ 0 | ||||||
| Past downstream transactions | $ 736 | ||||||
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