Summary of Significant Accounting Policies - Schedule of Premises and Equipment and Estimated Useful Lives (Details) |
Dec. 31, 2025 |
|---|---|
| Buildings | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 20 years |
| Buildings | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 50 years |
| Furniture, fixtures and equipment | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Furniture, fixtures and equipment | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 10 years |
| Leasehold improvements | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 20 years |
| ATMs | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 3 years |