Organization and Summary of Significant Accounting Policies - Premises and Equipment (Details) |
Mar. 31, 2026 |
|---|---|
| Software | |
| Property, Plant and Equipment [Line Items] | |
| Estimated lives (in years) | 3 years |
| Minimum | Premises | |
| Property, Plant and Equipment [Line Items] | |
| Estimated lives (in years) | 7 years |
| Minimum | Equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated lives (in years) | 3 years |
| Maximum | Premises | |
| Property, Plant and Equipment [Line Items] | |
| Estimated lives (in years) | 40 years |
| Maximum | Equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated lives (in years) | 7 years |