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Disclosures About Fair Value of Assets and Liabilities (Details) - Summary of quantitative information about unobservable inputs used in recurring and nonrecurring - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Collateral Dependent Impaired Loans [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 2,527 |
Valuation technique | Market comparable properties |
Unobservable inputs | Comparability adjustments (%) |
Collateral Dependent Impaired Loans [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 1,027 |
Mortgage Servicing Rights [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 5,084 |
Valuation technique | Discounted cash flow |
Unobservable inputs | Discount Rate |
Range (weighted average) |  | 10.30%
Mortgage Servicing Rights [Member] | Constant Prepayment Rate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Unobservable inputs | Constant prepayment rate |
Range (weighted average) |  | 7.02%
Mortgage Servicing Rights [Member] | P and I Earnings Credit [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 55 |
Valuation technique | Discounted cash flow |
Unobservable inputs | P&I earnings credit |
Range (weighted average) |  | 2.51%
Mortgage Servicing Rights [Member] | T and I Earnings Credit [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Unobservable inputs | T&I earnings credit |
Range (weighted average) |  | 3.02%
Mortgage Servicing Rights [Member] | Inflation for cost of servicing [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Unobservable inputs | Inflation for cost of servicing |
Range (weighted average) |  | 1.50%
Mortgage Servicing Rights [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 3,191 |
Mortgage Servicing Rights [Member] | Maximum [Member] | P and I Earnings Credit [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 83 |
Mortgage Servicing Rights [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (weighted average) | 9.36% |
Mortgage Servicing Rights [Member] | Minimum [Member] | Constant Prepayment Rate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (weighted average) | 10.19% |
Mortgage Servicing Rights [Member] | Minimum [Member] | P and I Earnings Credit [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (weighted average) | 1.78% |
Mortgage Servicing Rights [Member] | Minimum [Member] | T and I Earnings Credit [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (weighted average) | 1.93% |
Mortgage Servicing Rights [Member] | Minimum [Member] | Inflation for cost of servicing [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (weighted average) | 1.50% |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + 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 (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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