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Loans and Allowance - Summary of Troubled Debt Restructurings by Modification Type (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Financing Receivable, Modifications [Line Items] |  |
Modification | $ 90 | $ 251
Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification | 0 | 54
Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification | 90 | 91
Combination |  |
Financing Receivable, Modifications [Line Items] |  |
Modification | 0 | 106
Residential |  |
Financing Receivable, Modifications [Line Items] |  |
Modification | 90 | 218
Residential | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 38
Residential | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification | $ 90 | 74
Residential | Combination |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 106
Home equity |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 26
Home equity | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 16
Home equity | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 10
Home equity | Combination |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 0
Individuals' loans for household and other personal expenditures |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 7
Individuals' loans for household and other personal expenditures | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 0
Individuals' loans for household and other personal expenditures | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | 7
Individuals' loans for household and other personal expenditures | Combination |  |
Financing Receivable, Modifications [Line Items] |  |
Modification |  | $ 0

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Balance Type: | debit
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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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- Details
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