Premises and Equipment (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Property, Plant and Equipment [Line Items] | ||
| Premises and equipment, gross | $ 8,594 | $ 7,503 |
| Less: Accumulated depreciation and amortization | 5,619 | 4,902 |
| Premises and equipment, net | 2,975 | 2,601 |
| Depreciation and amortization expense | 1,085 | 983 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Premises and equipment, gross | 1,686 | 1,065 |
| Furniture and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Premises and equipment, gross | 4,430 | 4,107 |
| Vehicle | ||
| Property, Plant and Equipment [Line Items] | ||
| Premises and equipment, gross | 54 | 54 |
| Software | ||
| Property, Plant and Equipment [Line Items] | ||
| Premises and equipment, gross | 2,405 | 2,163 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Premises and equipment, gross | $ 19 | $ 114 |