Loans and Allowance for Credit Losses on Loans - Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty (Details) - Commercial Real Estate Portfolio [Member] |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Payment Deferral [Member] | ||
| Loans and Allowance for Credit Losses on Loans [Abstract] | ||
| Weighted average life of loans | 6 months | |
| Term Extension [Member] | ||
| Loans and Allowance for Credit Losses on Loans [Abstract] | ||
| Weighted average life of loans | 12 months 6 days | 12 months |
| Interest Rate Reduction [Member] | ||
| Loans and Allowance for Credit Losses on Loans [Abstract] | ||
| Weighted-average interest rate | 1.00% | 1.45% |