Investment Securities: Narrative (Details) |
9 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
security
|
Jun. 30, 2025
USD ($)
security
|
Mar. 31, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
Mar. 31, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
|
| Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] | ||||||
| Realized gain (loss) on marketable security | $ 22,000 | $ (3,000) | ||||
| Held-to-maturity securities, realized loss, number of securities | security | 15 | 13 | ||||
| Security owned and pledged as collateral | $ 197,680,000 | $ 195,930,000 | ||||
| Allowance for credit losses | 30,000 | $ 46,000 | $ 31,000 | 36,000 | $ 50,000 | $ 60,000 |
| Accrued interest on held-to-maturity securites | 321,000 | |||||
| Private label residential | ||||||
| Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] | ||||||
| Allowance for credit losses | 30,000 | $ 45,000 | $ 31,000 | $ 35,000 | $ 48,000 | $ 55,000 |
| Held-to-maturity securities in non-accrual status | $ 29,000 | |||||