Organization and Summary of Significant Accounting Policies - Low-income housing tax credit equity investments (Details) - USD ($) |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Organization and Summary of Significant Accounting Policies | ||
| Low-income housing tax credit equity investments | $ 34,300,000 | $ 196,000 |
| Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] | Prepaid Expense and Other Assets | Prepaid Expense and Other Assets |
| Low-income housing tax credit equity investment liability | $ 29,400,000 | $ 0 |