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Fair Value of Financial Instruments - Schedule of Quantitative Information About Level 3 Fair Value Measurements (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Sep. 30, 2019 | Jun. 30, 2019
Fair Value, Inputs, Level 3 | Nonrecurring measurements | Impaired loans, net |  |
Weighted Average | 5.00% |
Fair Value, Inputs, Level 3 | Nonrecurring measurements | Other real estate owned |  |
Weighted Average | 12.00% |
Fair Value, Measurements, Nonrecurring |  |
Fair value at December 31, 2015 | $ 1,075 | $ 10,875
Fair Value, Measurements, Nonrecurring | Other real estate owned |  |
Fair value at December 31, 2015 | 80 | 1,804
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 |  |
Fair value at December 31, 2015 | 1,075 | 10,875
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | Other real estate owned |  |
Fair value at December 31, 2015 | 80 | $ 1,804
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | Nonrecurring measurements | Impaired loans, net |  |
Fair value at December 31, 2015 | 995 |
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | Nonrecurring measurements | Other real estate owned |  |
Fair value at December 31, 2015 | $ 80 |
Fair Value, Measurements, Nonrecurring | Minimum | Impaired loans, net |  |
Weighted Average |  | 0.00%
Fair Value, Measurements, Nonrecurring | Minimum | Foreclosed real estate |  |
Weighted Average |  | 8.00%
Fair Value, Measurements, Nonrecurring | Maximum | Impaired loans, net |  |
Weighted Average |  | 28.00%
Fair Value, Measurements, Nonrecurring | Maximum | Foreclosed real estate |  |
Weighted Average |  | 15.00%
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring | Minimum | Impaired loans, net |  |
Weighted Average |  | 0.00%
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring | Maximum | Impaired loans, net |  |
Weighted Average |  | 3.00%

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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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