Securities - Additional Information (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Investments, Debt and Equity Securities [Abstract] | |||
| Gain (loss) from calls of securities available for sale. | $ 0 | $ 0 | $ 0 |
| Gain (loss) on sales or calls of securities held to maturity | 0 | 0 | $ 0 |
| Available for sale, allowance for credit loss | 0 | 0 | |
| Held to maturity, allowance for credit loss | $ 0 | $ 0 | |