Organization and Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Organization and Summary of Significant Accounting Policies | ||
| Fiduciary assets | $ 180.0 | $ 107.6 |
| Investment management assets | $ 638.7 | $ 538.2 |