Income Taxes - Summary of Changes in Valuation Allowances (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Valuation Allowance [Roll Forward] | ||
| Balance at beginning of year | $ 96,383 | |
| Charged to costs and expenses | 28,230 | $ 28,757 |
| Balance at end of year | $ 136,002 | $ 96,383 |