Share-based payments - RSUs Narrative (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
Dec. 31, 2024 USD ($) shares $ / shares | Dec. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) shares tranche $ / shares | Dec. 31, 2023 USD ($) | Jun. 30, 2024 shares $ / shares |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Expense from share-based payment transactions | $ | $ 7,975 | $ 5,966 | $ 16,159 | $ 11,805 | |
$75 Exercise Price Options | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Granted during the period (in dollars per share) | $ / shares | | | | | $ 75 |
2023 Long-Term Incentive Plan Restricted Stock Units | Tranche One | Time-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 175,666 | | 175,666 | | |
Vesting period (in years) | | | 1 year | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Tranche Two | Time-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 175,666 | | 175,666 | | |
Vesting period (in years) | | | 2 years | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Tranche Three | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 324,876 | | 324,876 | | |
Vesting period (in years) | | | 3 years | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Key Management Personnel | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 676,208 | | 676,208 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Non-Executive Director | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Vesting period (in years) | | | 1 year | | |
Number of RSUs vested (in shares) | | | 53,811 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 1,338,391 | | 1,338,391 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 984,094 | | 984,094 | | |
Number of tranches | tranche | | | 7 | | |
Number of trading days | | | 30 days | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche One | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 118,099 | | 118,099 | | |
Vesting period (in years) | | | 1 year | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche One | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 116,857 | | 116,857 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 20 | | $ 20 | | |
Share premium (as percent) | | | 190% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Two | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 118,099 | | 118,099 | | |
Vesting period (in years) | | | 2 years | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Two | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 124,359 | | 124,359 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 25 | | $ 25 | | |
Share premium (as percent) | | | 262% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Three | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 118,099 | | 118,099 | | |
Vesting period (in years) | | | 3 years | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Three | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 131,970 | | 131,970 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 30 | | $ 30 | | |
Share premium (as percent) | | | 334% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Four | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 140,228 | | 140,228 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 35 | | $ 35 | | |
Share premium (as percent) | | | 407% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Five | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 147,466 | | 147,466 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 40 | | $ 40 | | |
Share premium (as percent) | | | 479% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Six | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 156,129 | | 156,129 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 45 | | $ 45 | | |
Share premium (as percent) | | | 551% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
2023 Long-Term Incentive Plan Restricted Stock Units | Co-Founder and Co-CEO | Tranche Seven | Performance-based Vesting Conditions | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs issued (in shares) | 167,085 | | 167,085 | | |
Number of trading days | | | 90 days | | |
Share price (in dollars per share) | $ / shares | $ 50 | | $ 50 | | |
Share premium (as percent) | | | 624% | | |
Average closing share price (in dollars per share) | $ / shares | | | $ 6.91 | | |
Restricted Share Units | | | | | |
Disclosure of terms and conditions of share-based payment arrangement [line items] | | | | | |
Number of RSUs vested (in shares) | | | 1,147,672 | | 104,559 |
Weighted average remaining contractual life of RSUs outstanding (in years) | | | | | 2 years 9 months 3 days |
Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement (in dollars per share) | $ / shares | $ 0 | | $ 0 | | |
Number of other equity instruments exercisable in share-based payment arrangement (in shares) | 226,445 | | 226,445 | | 0 |