| **Fair Value - Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands** | Jun. 30, 2016 | Dec. 31, 2015 | Jun. 30, 2015 |
|------------------------------------------------------------------------------------------------------------------------|---------------|---------------|---------------|
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | $ 241,327     | $ 223,039     | $ 213,814     |
| U.S. Government-sponsored agencies                                                                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 522           |          |          |
| Mortgage-backed securities                                                                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 219,353       | 195,110       | 185,592       |
| State and political subdivisions                                                                                       |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 18,415        | 24,506        | 25,040        |
| Other equity securities                                                                                                |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 3,037         | 3,423         | 3,182         |
| Total Fair Value                                                                                                       |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 241,327       | 223,039       | 213,814       |
| Fair Value                                                                                                             | 208           |          |          |
| Total Fair Value | Level 1                                                                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value                                                                                                             | 0             |          |          |
| Total Fair Value | Level 2                                                                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 241,327       | 223,039       | 213,814       |
| Fair Value                                                                                                             | 208           |          |          |
| Total Fair Value | Level 3                                                                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value                                                                                                             | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 1                                                                          |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value                                                                                                             | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 1 | Interest Rate Swap                                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Fair Value                                                                                                             | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 1 | U.S. Government-sponsored agencies                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 1 | Mortgage-backed securities                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value, Measurements, Recurring | Level 1 | State and political subdivisions                                       |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value, Measurements, Recurring | Level 1 | Other equity securities                                                |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value, Measurements, Recurring | Level 2                                                                          |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 241,327       | 223,039       | 213,814       |
| Fair Value                                                                                                             | 208           |          |          |
| Fair Value, Measurements, Recurring | Level 2 | Interest Rate Swap                                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Fair Value                                                                                                             | 208           |          |          |
| Fair Value, Measurements, Recurring | Level 2 | U.S. Government-sponsored agencies                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 522           |          |          |
| Fair Value, Measurements, Recurring | Level 2 | Mortgage-backed securities                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 219,353       | 195,110       | 185,592       |
| Fair Value, Measurements, Recurring | Level 2 | State and political subdivisions                                       |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 18,415        | 24,506        | 25,040        |
| Fair Value, Measurements, Recurring | Level 2 | Other equity securities                                                |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 3,037         | 3,423         | 3,182         |
| Fair Value, Measurements, Recurring | Level 3                                                                          |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value                                                                                                             | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 3 | Interest Rate Swap                                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Fair Value                                                                                                             | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 3 | U.S. Government-sponsored agencies                                     |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             |          |          |
| Fair Value, Measurements, Recurring | Level 3 | Mortgage-backed securities                                             |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value, Measurements, Recurring | Level 3 | State and political subdivisions                                       |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value, Measurements, Recurring | Level 3 | Other equity securities                                                |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 0             | 0             | 0             |
| Fair Value, Measurements, Recurring | Total Fair Value                                                                 |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 241,327       | 223,039       | 213,814       |
| Fair Value                                                                                                             | 208           |          |          |
| Fair Value, Measurements, Recurring | Total Fair Value | Interest Rate Swap                                            |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Fair Value                                                                                                             | 208           |          |          |
| Fair Value, Measurements, Recurring | Total Fair Value | Mortgage-backed securities                                    |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 219,353       | 195,110       | 185,592       |
| Fair Value, Measurements, Recurring | Total Fair Value | State and political subdivisions                              |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | 18,415        | 24,506        | 25,040        |
| Fair Value, Measurements, Recurring | Total Fair Value | Other equity securities                                       |          |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                       |          |          |          |
| Securities available for sale                                                                                          | $ 3,037       | $ 3,423       | $ 3,182       |

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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
+ References
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| - Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
+ References
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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