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Loans and Allowance for Loan Losses, Troubled Debt Restructurings (Details) | 12 Months Ended
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Dec. 31, 2019 USD ($) contract | Dec. 31, 2018 USD ($) contract | Dec. 31, 2017 USD ($) contract
Troubled debt restructuring categorized by loan classification [Abstract] |  |  |
Number of contracts | contract | 4 | 4 | 3
Pre Modification Outstanding Recorded Investment | $ 2,326,000 | $ 2,314,000 | $ 3,782,000
Post Modification Outstanding Recorded Investment net of related allowance | $ 1,766,000 | $ 2,314,000 | $ 3,756,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 0 | 0 | 0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 0 | $ 0 | $ 0
Commercial Real Estate |  |  |
Troubled debt restructuring categorized by loan classification [Abstract] |  |  |
Number of contracts | contract | 1 | 0 | 0
Pre Modification Outstanding Recorded Investment | $ 306,000 | $ 0 | $ 0
Post Modification Outstanding Recorded Investment net of related allowance | $ 287,000 | $ 0 | $ 0
Consumer Real Estate |  |  |
Troubled debt restructuring categorized by loan classification [Abstract] |  |  |
Number of contracts | contract | 1 | 3 | 1
Pre Modification Outstanding Recorded Investment | $ 683,000 | $ 1,967,000 | $ 6,000
Post Modification Outstanding Recorded Investment net of related allowance | $ 683,000 | $ 1,967,000 | $ 5,000
Construction and Land Development |  |  |
Troubled debt restructuring categorized by loan classification [Abstract] |  |  |
Number of contracts | contract | 1 | 1 | 0
Pre Modification Outstanding Recorded Investment | $ 19,000 | $ 347,000 | $ 0
Post Modification Outstanding Recorded Investment net of related allowance | $ 19,000 | $ 347,000 | $ 0
Commercial and Industrial |  |  |
Troubled debt restructuring categorized by loan classification [Abstract] |  |  |
Number of contracts | contract | 1 | 0 | 2
Pre Modification Outstanding Recorded Investment | $ 1,318,000 | $ 0 | $ 3,776,000
Post Modification Outstanding Recorded Investment net of related allowance | $ 777,000 | $ 0 | $ 3,751,000
Consumer and Other |  |  |
Troubled debt restructuring categorized by loan classification [Abstract] |  |  |
Number of contracts | contract | 0 | 0 | 0
Pre Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0
Post Modification Outstanding Recorded Investment net of related allowance | $ 0 | $ 0 | $ 0

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