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Contributed Equity - Summary of Contributed Equity (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Contributed Equity [Line Items] |  |  |
Issued and fully paid at June 30 | $ 497,488 | $ 466,085 | $ 320,884
Movement in ordinary shares: |  |  |
Beginning balance | (75,810) | (5,853) | 47,977
Ending balance | (201,069) | (75,810) | (5,853)
Ordinary Shares |  |  |
Contributed Equity [Line Items] |  |  |
Issued and fully paid at June 30 | 497,488 | 466,085 | 320,884
Movement in ordinary shares: |  |  |
Beginning balance | 466,085 | 320,884 | 235,277
Issue of shares on exercise of options granted under the LTIP | 31 |  | 3,791
Issue of shares on exercise of options granted from Entitlement Offer | $ 20 | 1 |
Ending balance |  | $ 466,085 | $ 320,884
Opening balance | 466,085 | 320,884 |
Ending balance | 497,488 | 466,085 | 320,884
Ordinary Shares | Placement and Institutional Offer |  |  |
Movement in ordinary shares: |  |  |
Issue of shares net of issuance costs |  |  | $ 81,816
Ordinary Shares | September 2023 |  |  |
Movement in ordinary shares: |  |  |
Issue of shares net of issuance costs |  | $ 50,273 |
Ordinary Shares | June 2024 |  |  |
Movement in ordinary shares: |  |  |
Issue of shares net of issuance costs |  | $ 94,927 |
Ordinary Shares | July 2024 |  |  |
Movement in ordinary shares: |  |  |
Issue of shares net of issuance costs | $ 31,352 |  |
Ordinary Shares on Issue |  |  |
Movement in ordinary shares: |  |  |
Opening balance | 1,091,466,771 | 467,159,434 | 352,152,542
Issue of shares on exercise of options granted under the LTIP | 185,922 |  | 2,387,826
Issue of share on exercise of options from Entitlement offer | 36,469 | 1,743 |
Ending balance | 1,231,317,008 | 1,091,466,771 | 467,159,434
Ordinary Shares on Issue | Placement and Institutional Offer |  |  |
Movement in ordinary shares: |  |  |
Issue of shares |  | 195,647,457 |
Ordinary Shares on Issue | Entitlement Offer |  |  |
Movement in ordinary shares: |  |  |
Issue of shares | 139,627,846 | 428,658,137 | 112,619,066

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