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Investment Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | $ 149,318 | $ 148,514
Investment securities available for sale, Gross Unrealized Gains | 2,413 | 765
Investment securities available for sale, Gross Unrealized Losses | (643) | (2,548)
Available for Sale, Fair Value, Total | 151,088 | 146,731
Investment securities held to maturity, Cost Basis | 39,752 | 40,760
Investment securities held to maturity, Gross Unrealized Gains | 1,127 | 222
Investment securities held to maturity, Gross Unrealized Losses | (104) | (658)
Held to Maturity, Fair Value, Total | 40,775 | 40,324
U.S. Agency [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 7,489 | 7,685
Investment securities available for sale, Gross Unrealized Gains | 54 | 4
Investment securities available for sale, Gross Unrealized Losses | 0 | (160)
Available for Sale, Fair Value, Total | 7,543 | 7,529
U.S. Agency mortgage-backed securities [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 90,523 | 90,169
Investment securities available for sale, Gross Unrealized Gains | 1,602 | 516
Investment securities available for sale, Gross Unrealized Losses | (167) | (1,158)
Available for Sale, Fair Value, Total | 91,958 | 89,527
Investment securities held to maturity, Cost Basis | 9,501 | 9,983
Investment securities held to maturity, Gross Unrealized Gains | 197 | 78
Investment securities held to maturity, Gross Unrealized Losses | (18) | (132)
Held to Maturity, Fair Value, Total | 9,680 | 9,929
Corporate bonds [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 37,312 | 37,359
Investment securities available for sale, Gross Unrealized Gains | 258 | 131
Investment securities available for sale, Gross Unrealized Losses | (454) | (996)
Available for Sale, Fair Value, Total | 37,116 | 36,494
Corporate bonds and other securities [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities held to maturity, Cost Basis | 6,035 | 6,037
Investment securities held to maturity, Gross Unrealized Gains | 49 | 13
Investment securities held to maturity, Gross Unrealized Losses | (42) | (122)
Held to Maturity, Fair Value, Total | 6,042 | 5,928
Municipal [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 13,994 | 13,301
Investment securities available for sale, Gross Unrealized Gains | 499 | 114
Investment securities available for sale, Gross Unrealized Losses | (22) | (234)
Available for Sale, Fair Value, Total | 14,471 | 13,181
Investment securities held to maturity, Cost Basis | 24,216 | 24,740
Investment securities held to maturity, Gross Unrealized Gains | 881 | 131
Investment securities held to maturity, Gross Unrealized Losses | (44) | (404)
Held to Maturity, Fair Value, Total | $ 25,053 | $ 24,467

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