Organization and Summary of Significant Accounting Policies - Wealth Management Assets and Fees (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Organization and Summary of Significant Accounting Policies | ||
| Fiduciary assets | $ 111.3 | $ 107.6 |
| Investment management assets | $ 591.7 | $ 538.2 |