Summary of Significant Accounting Policies - Premises and Equipment (Details) |
12 Months Ended |
---|---|
Dec. 31, 2017
building
| |
Premises and Equipment | |
Number of buildings owned | 1 |
Building | |
Premises and Equipment | |
Estimated useful life | 40 years |
Furniture | Minimum | |
Premises and Equipment | |
Estimated useful life | 5 years |
Furniture | Maximum | |
Premises and Equipment | |
Estimated useful life | 15 years |
Equipment | Minimum | |
Premises and Equipment | |
Estimated useful life | 5 years |
Equipment | Maximum | |
Premises and Equipment | |
Estimated useful life | 15 years |
Leasehold improvements | Minimum | |
Premises and Equipment | |
Estimated useful life | 5 years |
Leasehold improvements | Maximum | |
Premises and Equipment | |
Estimated useful life | 15 years |