Equity - Summary of Movements of Shares in Share Trust (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Disclosure Of Movements Of Shares In Share Trust [Line Items] | |||
| Exercise of share options, (in shares) | (15,468,057) | ||
| Exercise of share options | $ 0 | $ 0 | $ 0 |
| Mesoblast Employee Share Trust | |||
| Disclosure Of Movements Of Shares In Share Trust [Line Items] | |||
| Opening balance, (in shares) | 32,389 | 542,903 | 542,903 |
| Transfer to employee share trust (in shares) | 15,635,000 | 16,640,000 | 1,072,363 |
| Exercise of share options, (in shares) | (15,468,057) | (17,150,514) | (1,072,363) |
| Ending balance, (in shares) | 199,332 | 32,389 | 542,903 |
| Opening balance | $ 0 | $ 0 | $ 0 |
| Transfer to employee share trust | 0 | 0 | 0 |
| Exercise of share options | 0 | 0 | 0 |
| Ending balance | $ 0 | $ 0 | $ 0 |