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Disclosures about Fair Value Measurements and Financial Instruments - Schedule of assets measured and recorded at fair value on a non-recurring basis (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | $ 733,000 | $ 0
Fair Value Measurements, Nonrecurring Basis [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | 733,000 | 0
Other real estate owned | 57,000 | 157,000
Fair Value Measurements, Nonrecurring Basis [Member] | Impaired loans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | $ 674,000 | $ 0
Valuation Techniques | Appraisal of collateral (1) | Appraisal of collateral(1)
Fair Value Measurements, Nonrecurring Basis [Member] | Impaired loans | Discounted cash flows |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | $ 59,000 |
Valuation Techniques | Discounted cash flows |
Fair Value Measurements, Nonrecurring Basis [Member] | Other real estate owned |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other real estate owned | $ 57,000 | $ 157,000
Valuation Techniques | Appraisal ofcollateral (1) | Appraisal of collateral (1)
Fair Value Measurements, Nonrecurring Basis [Member] | Minimum | Impaired loans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Appraisal adjustments | 0.00% | 100.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Minimum | Other real estate owned |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Appraisal adjustments | 0.00% | 0.00%
Liquidation expenses | 12.00% | 21.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Maximum | Impaired loans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Appraisal adjustments | 100.00% |
Fair Value Measurements, Nonrecurring Basis [Member] | Maximum | Impaired loans | Discounted cash flows |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Probability of loss adjustment | 15.00% |
Fair Value Measurements, Nonrecurring Basis [Member] | Maximum | Other real estate owned |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Appraisal adjustments | 44.00% | 39.00%
Liquidation expenses | 114.00% | 195.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Level 1 [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | $ 0 | $ 0
Other real estate owned | 0 | 0
Fair Value Measurements, Nonrecurring Basis [Member] | Level 2 [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | 0 | 0
Other real estate owned | 0 | 0
Fair Value Measurements, Nonrecurring Basis [Member] | Level 3 [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans | 733,000 | 0
Other real estate owned | $ 57,000 | $ 157,000

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- Definition Fair value appraisal of adjustments. + References No definition available. + Details
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- Definition Fair value of firm holdings in securities classified as other. Includes pledged and unpledged holdings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969 + Details
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