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Fair Value Measurements - Schedule of Fair Value Measurements (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | $ 133,719 | $ 142,990 | $ 117,001
Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,642 | 1,716 |
Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 132,077 | 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 | 5,523 | 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 | 82,884 | 79,579 |
Mortgage-backed securities, residential |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 27,665 | 31,973 |
State and municipal |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 16,424 | 24,660 |
Corporate bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 5,104 | 5,062 |
CRA mutual fund |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,041 | 1,035 |
Stock in other banks |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 601 | 681 |
Recurring | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 1,642 | 1,716 |
Recurring | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 132,077 | 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 | 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 | 82,884 | 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 | 27,665 | 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 | 16,424 | 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 | 5,104 | 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 | 1,041 | 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 | 601 | 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 | 133,719 | 142,990 |
Fair Value | Impaired loans |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 5,523 | 4,406 |
Fair Value | Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total securities available for sale | 133,719 | 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 | 82,884 | 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 | 27,665 | 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 | 16,424 | 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 | 5,104 | 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 | 1,041 | 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 | $ 601 | $ 681 |

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