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Loans and Loans Held for Sale - Restructured Loans By Segment and Type of Concession (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) loan | Mar. 31, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 10 | 21
Pre-Modification Outstanding Recorded Investment | [1] | $ 5,522 | $ 6,876
Post-Modification Outstanding Recorded Investment | [1] | 5,499 | 6,770
Total Difference in Recorded Investment |  | $ (23) | $ (106)
Maturity date extension |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 0 | 2
Pre-Modification Outstanding Recorded Investment | [1] | $ 0 | $ 768
Post-Modification Outstanding Recorded Investment | [1] | 0 | 708
Total Difference in Recorded Investment |  | $ 0 | $ (60)
Maturity date extension and interest rate reduction |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 1 |
Pre-Modification Outstanding Recorded Investment | [1] | $ 5,201 |
Post-Modification Outstanding Recorded Investment | [1] | 5,201 |
Total Difference in Recorded Investment |  | $ 0 |
Principal deferral |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 0 | 6
Pre-Modification Outstanding Recorded Investment | [1] | $ 0 | $ 5,355
Post-Modification Outstanding Recorded Investment | [1] | 0 | 5,333
Total Difference in Recorded Investment |  | $ 0 | $ (22)
Chapter 7 bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan | [2] | 8 | 13
Pre-Modification Outstanding Recorded Investment | [1],[2] | $ 240 | $ 753
Post-Modification Outstanding Recorded Investment | [1],[2] | 217 | 729
Total Difference in Recorded Investment | [2] | $ (23) | $ (24)
Interest rate reduction |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 1 |
Pre-Modification Outstanding Recorded Investment | [1] | $ 81 |
Post-Modification Outstanding Recorded Investment | [1] | 81 |
Total Difference in Recorded Investment |  | $ 0 |
Commercial and industrial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 1 | 8
Pre-Modification Outstanding Recorded Investment | [1] | $ 5,201 | $ 6,123
Post-Modification Outstanding Recorded Investment | [1] | 5,201 | 6,041
Total Difference in Recorded Investment |  | $ 0 | $ (82)
Commercial and industrial | Maturity date extension |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 0 | 2
Pre-Modification Outstanding Recorded Investment | [1] | $ 0 | $ 768
Post-Modification Outstanding Recorded Investment | [1] | 0 | 708
Total Difference in Recorded Investment |  | $ 0 | $ (60)
Commercial and industrial | Maturity date extension and interest rate reduction |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 1 | 0
Pre-Modification Outstanding Recorded Investment | [1] | $ 5,201 | $ 0
Post-Modification Outstanding Recorded Investment | [1] | 5,201 | 0
Total Difference in Recorded Investment |  | 0 | $ 0
Commercial and industrial | Principal deferral |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  |  | 6
Pre-Modification Outstanding Recorded Investment | [1] |  | $ 5,355
Post-Modification Outstanding Recorded Investment | [1] |  | 5,333
Total Difference in Recorded Investment |  | $ 0 | $ (22)
Commercial construction |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 0 | 2
Pre-Modification Outstanding Recorded Investment | [1] | $ 0 | $ 158
Post-Modification Outstanding Recorded Investment | [1] | 0 | 157
Total Difference in Recorded Investment |  | $ 0 | $ (1)
Commercial construction | Chapter 7 bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan | [2] | 0 | 2
Pre-Modification Outstanding Recorded Investment | [1],[2] | $ 0 | $ 158
Post-Modification Outstanding Recorded Investment | [1],[2] | 0 | 157
Total Difference in Recorded Investment | [2] | $ 0 | $ (1)
Residential mortgage |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 1 | 0
Pre-Modification Outstanding Recorded Investment | [1] | $ 49 | $ 0
Post-Modification Outstanding Recorded Investment | [1] | 49 | 0
Total Difference in Recorded Investment |  | $ 0 | $ 0
Residential mortgage | Chapter 7 bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan | [2] | 1 | 0
Pre-Modification Outstanding Recorded Investment | [1],[2] | $ 49 | $ 0
Post-Modification Outstanding Recorded Investment | [1],[2] | 49 | 0
Total Difference in Recorded Investment | [2] | $ 0 | $ 0
Home equity |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 8 | 9
Pre-Modification Outstanding Recorded Investment | [1] | $ 272 | $ 578
Post-Modification Outstanding Recorded Investment | [1] | 249 | 555
Total Difference in Recorded Investment |  | $ (23) | $ (23)
Home equity | Chapter 7 bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan | [2] | 7 | 9
Pre-Modification Outstanding Recorded Investment | [1],[2] | $ 191 | $ 578
Post-Modification Outstanding Recorded Investment | [1],[2] | 168 | 555
Total Difference in Recorded Investment | [2] | $ (23) | $ (23)
Home equity | Interest rate reduction |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 1 | 0
Pre-Modification Outstanding Recorded Investment | [1] | $ 81 | $ 0
Post-Modification Outstanding Recorded Investment | [1] | 81 | 0
Total Difference in Recorded Investment |  | $ 0 | $ 0
Installment and other consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan |  | 0 | 2
Pre-Modification Outstanding Recorded Investment | [1] | $ 0 | $ 17
Post-Modification Outstanding Recorded Investment | [1] | 0 | 17
Total Difference in Recorded Investment |  | $ 0 | $ 0
Installment and other consumer | Chapter 7 bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | loan | [2] | 0 | 2
Pre-Modification Outstanding Recorded Investment | [1],[2] | $ 0 | $ 17
Post-Modification Outstanding Recorded Investment | [1],[2] | 0 | 17
Total Difference in Recorded Investment | [2] | $ 0 | $ 0
[1] | Excludes loans that were fully paid off or fully charged-off by period end. The pre-modification balance represents the balance outstanding prior to modification. The post-modification balance represents the outstanding balance at period end.
[2] | Chapter 7 bankruptcy loans where the debt has been legally discharged through the bankruptcy court and not reaffirmed.

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