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Asset Purchases (Tables) | 9 Months Ended
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Sep. 30, 2017
Business Combinations [Abstract] |
Amortization Expense of Core Deposit Intangible Assets |
|  | (In Thousands) |
|  | Hicksville |  |  | Custar |  |  | Total |
2017 |  | $ | 78 |  |  | $ | 167 |  |  | $ | 245 |
2018 |  |  | — |  |  |  | 167 |  |  |  | 167 |
2019 |  |  | — |  |  |  | 167 |  |  |  | 167 |
2020 |  |  | — |  |  |  | 161 |  |  |  | 161 |
|  | $ | 78 |  |  | $ | 662 |  |  | $ | 740 |

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