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Fair Value Measurements - OREO Measured at Fair Value on a Nonrecurring Basis (Details) - Level 3 - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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OREO measured at fair value on a nonrecurring basis |  |
Carrying amount prior to remeasurement | $ 3,799 | $ 5,258
Impairment recognized in results of operations | (888) | (939)
Fair value | $ 2,911 | $ 4,319

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