Summary of Significant Accounting Policies Text Tags (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Mar. 31, 2003 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Accounting Policies [Abstract] | |||||
| Proceeds from Issuance of Long-term Debt | $ 2,912,000 | $ 1,814,000 | $ 13,000,000 | ||
| Proceeds from (Payment for) Other Financing Activity | $ 400,000 | ||||
| Allowance for Credit Loss, Excluding Accrued Interest | 6,321,000 | 5,955,000 | $ 6,337,000 | $ 5,871,000 | |
| Proceeds from Sale of Held-to-Maturity Securities | $ 0 | $ 0 | |||