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Securities - Schedule of Amortized Cost and Fair Value by Contractual Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
--- | --- | --- | ---
Available for Sale Amortized Cost |  |  |
1 year or less | $ 9,613 |  |
Over 1 year through 5 years | 116,518 |  |
Over 5 years through 10 years | 199 |  |
Over 10 years | 0 |  |
Total amortized cost | 174,490 | $ 163,862 |
Available for Sale Fair Value |  |  |
1 year or less | 9,603 |  |
Over 1 year through 5 years | 116,866 |  |
Over 5 years through 10 years | 201 |  |
Over 10 years | 0 |  |
Total securities available for sale | 175,712 | 161,730 |
Held-to-Maturity Amortized Cost |  |  |
1 year or less | 5,000 |  |
Over 1 year through 5 years | 2,000 |  |
Over 5 years through 10 years | 0 |  |
Over 10 years | 0 |  |
Total amortized costs | 24,722 | 27,266 | $ 39,894
Held-to-Maturity Fair Value |  |  |
1 year or less | 4,988 |  |
Over 1 year through 5 years | 2,006 |  |
Over 5 years through 10 years | 0 |  |
Over 10 years | 0 |  |
Securities held to maturity, fair value | 24,772 | 26,911 | $ 39,145
Mortgage-backed securities, residential |  |  |
Available for Sale Amortized Cost |  |  |
Without single maturity date | 48,160 |  |
Total amortized cost | 48,160 | 33,960 |
Available for Sale Fair Value |  |  |
Without single maturity date | 49,042 |  |
Total securities available for sale | 49,042 | 33,811 |
Held-to-Maturity Amortized Cost |  |  |
Without single maturity date | 17,722 |  |
Total amortized costs | 17,722 | 20,266 |
Held-to-Maturity Fair Value |  |  |
Without single maturity date | 17,778 |  |
Securities held to maturity, fair value | $ 17,778 | $ 19,980 |

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