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Fair Value Measurements - Schedule of Fair Value Measurements (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2016
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | $ 137,099 | $ 142,990 | $ 119,412
Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,667 | 1,716 |
Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 135,432 | 141,274 |
Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Impaired loans | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 0 | 0 |
Impaired loans | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 0 | 0 |
Impaired loans | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 4,381 | 4,406 |
U.S. Government and agencies |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 78,703 | 79,579 |
Mortgage-backed securities, residential |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 29,780 | 31,973 |
State and municipal |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 21,823 | 24,660 |
Corporate bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 5,126 | 5,062 |
CRA mutual fund |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,035 | 1,035 |
Stock in other banks |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 632 | 681 |
Recurring | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,667 | 1,716 |
Recurring | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 135,432 | 141,274 |
Recurring | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | U.S. Government and agencies | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale |  | 0 |
Recurring | U.S. Government and agencies | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 78,703 | 79,579 |
Recurring | U.S. Government and agencies | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | Mortgage-backed securities, residential | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | Mortgage-backed securities, residential | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 29,780 | 31,973 |
Recurring | Mortgage-backed securities, residential | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | State and municipal | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | State and municipal | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 21,823 | 24,660 |
Recurring | State and municipal | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | Corporate bonds | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | Corporate bonds | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 5,126 | 5,062 |
Recurring | Corporate bonds | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | CRA mutual fund | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,035 | 1,035 |
Recurring | CRA mutual fund | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | CRA mutual fund | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | Stock in other banks | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 632 | 681 |
Recurring | Stock in other banks | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Recurring | Stock in other banks | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 0 | 0 |
Fair Value |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 137,099 | 142,990 |
Fair Value | Impaired loans |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 4,381 | 4,406 |
Fair Value | Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 137,099 | 142,990 |
Fair Value | Recurring | U.S. Government and agencies |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 78,703 | 79,579 |
Fair Value | Recurring | Mortgage-backed securities, residential |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 29,780 | 31,973 |
Fair Value | Recurring | State and municipal |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 21,823 | 24,660 |
Fair Value | Recurring | Corporate bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 5,126 | 5,062 |
Fair Value | Recurring | CRA mutual fund |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,035 | 1,035 |
Fair Value | Recurring | Stock in other banks |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | $ 632 | $ 681 |

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