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v3.20.4

Allowance for Credit Losses (Note Restructurings During Period) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) loans | Dec. 31, 2019 USD ($) loans | Dec. 31, 2018 USD ($) loans
Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 599 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 92,688 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 226 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 20,802 |  |
Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 505 | 491
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 52,169 | $ 43,554
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 190 | 164
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 19,709 | $ 13,318
Principal Forgiveness [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 37 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 32,314 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 9 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 7,067 |  |
Principal Forgiveness [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 31 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 28,145 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 4 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 4,498 |  |
Principal Forgiveness [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 6 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 4,169 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 5 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 2,569 |  |
Principal Forgiveness [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 18 | 3
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 5,613 | $ 1,003
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 3 | 0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 2,955 | $ 0
Principal Forgiveness [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 11 | 3
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 1,595 | $ 1,003
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 1 | 0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 238 | $ 0
Principal Forgiveness [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 7 | 0
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 4,018 | $ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 2 | 0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 2,717 | $ 0
Extended Maturity [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 92 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 11,133 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 48 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 4,712 |  |
Extended Maturity [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 26 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 5,444 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 5 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 1,471 |  |
Extended Maturity [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 66 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 5,689 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 43 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 3,241 |  |
Extended Maturity [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 18 | 42
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 4,246 | $ 5,487
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 6 | 8
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 839 | $ 865
Extended Maturity [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 16 | 21
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 3,904 | $ 3,933
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 5 | 4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 533 | $ 675
Extended Maturity [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 2 | 21
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 342 | $ 1,554
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 1 | 4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 306 | $ 190
Interest Rate Below Market Reduction [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 254 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 39,944 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 86 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 5,809 |  |
Interest Rate Below Market Reduction [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 98 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 33,870 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 26 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 1,912 |  |
Interest Rate Below Market Reduction [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 156 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 6,074 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 60 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 3,897 |  |
Interest Rate Below Market Reduction [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 266 | 269
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 26,390 | $ 28,404
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 90 | 92
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 6,648 | $ 8,459
Interest Rate Below Market Reduction [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 90 | 85
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 13,932 | $ 12,859
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 24 | 24
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 2,634 | $ 2,998
Interest Rate Below Market Reduction [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 176 | 184
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 12,458 | $ 15,545
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 66 | 68
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 4,014 | $ 5,461
Discharge of Debt [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 216 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 9,297 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 83 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 3,214 |  |
Discharge of Debt [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 30 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 1,168 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 17 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 286 |  |
Discharge of Debt [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 186 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 8,129 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 66 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 2,928 |  |
Discharge of Debt [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 203 | 177
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 15,920 | $ 8,660
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 91 | 64
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 9,267 | $ 3,994
Discharge of Debt [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 25 | 26
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 5,571 | $ 2,043
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 20 | 8
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 5,028 | $ 825
Discharge of Debt [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 178 | 151
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 10,349 | $ 6,617
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans |  | 71 | 56
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 4,239 | $ 3,169

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