Related party transactions - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 24, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Disclosure of transactions between related parties [line items] | |||||
| Percentage of shares outstanding | 25.90% | 25.90% | |||
| Wider Retention Incentive Program | |||||
| Disclosure of transactions between related parties [line items] | |||||
| Total key management compensation | $ 2,600,000 | ||||
| Additional funding | $ 250,000,000 | ||||
| Lifezone Metals | Directors Fee | |||||
| Disclosure of transactions between related parties [line items] | |||||
| Related party transactions, amount | $ 31,777 | $ 22,000 | $ 86,777 | $ 68,750 | |