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Fair Value Measurements - Schedule of Fair Value Measurements (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2017
--- | --- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | $ 253,048 | $ 190,837 | $ 160,949 |
Equity securities with readily determinable fair values | 1,888 | 2,106 | $ 1,872 | $ 1,839
Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 | 0 |  |
Equity securities with readily determinable fair values | 1,888 | 2,106 |  |
Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 253,048 | 190,837 |  |
Equity securities with readily determinable fair values | 0 | 0 |  |
Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 | 0 |  |
Equity securities with readily determinable fair values | 0 | 0 |  |
U.S. Government and agencies |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 130,924 | 114,249 |  |
Mortgage-backed securities, residential |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 96,664 | 65,592 |  |
State and municipal |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 23,721 | 10,996 |  |
Corporate bond |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 1,739 |  |  |
Recurring | Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 | 0 |  |
Equity securities with readily determinable fair values | 1,888 | 2,106 |  |
Recurring | Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 253,048 | 190,837 |  |
Equity securities with readily determinable fair values | 0 | 0 |  |
Recurring | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 | 0 |  |
Equity securities with readily determinable fair values | 0 | 0 |  |
Recurring | U.S. Government and agencies | Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt 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] |  |  |  |
Debt securities available for sale | 130,924 | 114,249 |  |
Recurring | U.S. Government and agencies | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt 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] |  |  |  |
Debt 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] |  |  |  |
Debt securities available for sale | 96,664 | 65,592 |  |
Recurring | Mortgage-backed securities, residential | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt 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] |  |  |  |
Debt 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] |  |  |  |
Debt securities available for sale | 23,721 | 10,996 |  |
Recurring | State and municipal | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 | 0 |  |
Recurring | Corporate bond | Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 |  |  |
Recurring | Corporate bond | Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 1,739 |  |  |
Recurring | Corporate bond | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 0 |  |  |
Nonrecurring | Collateral dependent impaired loans | Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 0 | 0 |  |
Nonrecurring | Collateral dependent impaired loans | Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 0 | 0 |  |
Nonrecurring | Collateral dependent impaired loans | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 4,800 | 3,806 |  |
Fair Value |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 253,048 | 190,837 |  |
Equity securities with readily determinable fair values | 1,888 | 2,106 |  |
Fair Value | Recurring |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 253,048 | 190,837 |  |
Equity securities with readily determinable fair values | 1,888 | 2,106 |  |
Fair Value | Recurring | U.S. Government and agencies |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 130,924 | 114,249 |  |
Fair Value | Recurring | Mortgage-backed securities, residential |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 96,664 | 65,592 |  |
Fair Value | Recurring | State and municipal |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 23,721 | 10,996 |  |
Fair Value | Recurring | Corporate bond |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt securities available for sale | 1,739 |  |  |
Fair Value | Nonrecurring | Collateral dependent impaired loans |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | $ 4,800 | $ 3,806 |  |

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