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v3.19.3

Loans and the Allowance for Credit Losses - Loans Identified as TDRs (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) Contract | Sep. 30, 2018 USD ($) Contract | Sep. 30, 2019 USD ($) Contract | Sep. 30, 2018 USD ($) Contract
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract | 1 | 1 | 9 | 11
Pre-Modification Outstanding Recorded Investment | $ 605 | $ 19 | $ 1,050 | $ 298
Post-Modification Outstanding Recorded Investment | $ 604 | $ 18 | $ 1,020 | $ 255
Commercial Real Estate - Improved Property [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract | 1 |  | 1 |
Pre-Modification Outstanding Recorded Investment | $ 605 |  | $ 610 |
Post-Modification Outstanding Recorded Investment | $ 604 |  | $ 604 |
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract |  |  | 1 | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 44 | $ 10
Post-Modification Outstanding Recorded Investment |  |  | $ 37 | $ 8
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract | 1 |  | 1 |
Pre-Modification Outstanding Recorded Investment | $ 605 |  | $ 610 |
Post-Modification Outstanding Recorded Investment | $ 604 |  | $ 604 |
Residential Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract |  |  | 4 | 5
Pre-Modification Outstanding Recorded Investment |  |  | $ 194 | $ 203
Post-Modification Outstanding Recorded Investment |  |  | $ 183 | $ 176
Consumer [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract |  | 1 | 1 | 4
Pre-Modification Outstanding Recorded Investment |  | $ 19 | $ 15 | $ 65
Post-Modification Outstanding Recorded Investment |  | $ 18 | $ 12 | $ 52
Home Equity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Modifications | Contract |  |  | 2 | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 187 | $ 20
Post-Modification Outstanding Recorded Investment |  |  | $ 184 | $ 19

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