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Fair Value Measurements - Schedule of Available-for-Sale Securities Measured at Fair Value On Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Available-for-sale securities | $ 5,861 | $ 2,359
SBA Pool Securities [Member] |  |
Available-for-sale securities | 1,851 | 2,359
Collateralized Mortgage Obligations [Member] |  |
Available-for-sale securities | 1,168 |
Mortgage Backed Securities [Member] |  |
Available-for-sale securities | 2,842 |
Fair Value, Measurements, Recurring [Member] | Fair Value [Member] |  |
Available-for-sale securities | 5,861 |
Fair Value, Measurements, Recurring [Member] | Fair Value [Member] | SBA Pool Securities [Member] |  |
Available-for-sale securities | 1,851 | 2,359
Fair Value, Measurements, Recurring [Member] | Fair Value [Member] | Collateralized Mortgage Obligations [Member] |  |
Available-for-sale securities | 1,168 |
Fair Value, Measurements, Recurring [Member] | Fair Value [Member] | Mortgage Backed Securities [Member] |  |
Available-for-sale securities | 2,842 |
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | SBA Pool Securities [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Collateralized Mortgage Obligations [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Mortgage Backed Securities [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Available-for-sale securities | 5,861 |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | SBA Pool Securities [Member] |  |
Available-for-sale securities | 1,851 | 2,359
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateralized Mortgage Obligations [Member] |  |
Available-for-sale securities | 1,168 |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage Backed Securities [Member] |  |
Available-for-sale securities | 2,842 |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | SBA Pool Securities [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateralized Mortgage Obligations [Member] |  |
Available-for-sale securities |  |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage Backed Securities [Member] |  |
Available-for-sale securities |  |

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
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