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Fair Value Measurements - Schedule of Additional Quantitative Information (Details) - Nonrecurring - Collateral dependent impaired loans - Level 3 $ in Thousands | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Estimate | $ 3,858 | $ 3,883
Measurement Input, Discount Rate |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Weighted Average | 0.16 | 0.16
Measurement Input, Discount Rate | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Weighted Average | 0.10 | 0.10
Measurement Input, Discount Rate | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Weighted Average | 0.50 | 0.50

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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