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Loans and Allowance - Subsequent Default (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) loan | Dec. 31, 2017 USD ($) loan
Financing Receivable, Impaired [Line Items] |  |
Number of Loans | loan | 2 | 5
Recorded Balance | $ | $ 75 | $ 337
Commercial and farmland |  |
Financing Receivable, Impaired [Line Items] |  |
Number of Loans | loan |  | 1
Recorded Balance | $ |  | $ 14
Residential |  |
Financing Receivable, Impaired [Line Items] |  |
Number of Loans | loan | 2 | 4
Recorded Balance | $ | $ 75 | $ 323

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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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