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Fair Value Measurements - Additional Quantitative Information (Details) $ in Thousands | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
--- | --- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans | $ 37,079 | $ 50,182 |
OREO | 3,057 | 376 | $ 1,283
Carrying Amount |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Carrying value | 25,500 |  |
Non-recurring basis |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans | 2,686 | 10,999 |
OREO | 55 | 55 |
Bank property held for sale | 4,004 | 1,832 |
Non-recurring basis | Level 3 |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans | 2,686 | 10,999 |
OREO | 55 | 55 |
Bank property held for sale | 4,004 | 1,832 |
Non-recurring basis | Level 3 | Appraisal of collateral | Impaired loans |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans | 2,686 | 10,999 |
Non-recurring basis | Level 3 | Appraisal of collateral | OREO |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
OREO | 55 | 55 |
Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Bank property held for sale | $ 4,004 | $ 1,832 |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral | Impaired loans | Minimum |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans (percent) | (2.9) | (3.3) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral | Impaired loans | Maximum |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans (percent) | (100.0) | (100.0) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral | Impaired loans | Weighted Average |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impaired loans (percent) | (57.8) | (24.1) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral | OREO | Minimum |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
OREO (percent) | (25.0) | (25.0) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral | OREO | Maximum |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
OREO (percent) | (100.0) | (100.0) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral | OREO | Weighted Average |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
OREO (percent) | (65.0) | (65.0) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale | Minimum |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Bank property held for sale (percent) | (6.2) | 0.0 |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale | Maximum |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Bank property held for sale (percent) | (71.3) | (35.1) |
Appraisal adjustments | Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale | Weighted Average |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Bank property held for sale (percent) | (40.7) | (28.3) |

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