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Allowance for Credit Losses (Note Restructurings During Period) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) loans | Dec. 31, 2020 USD ($) loans | Dec. 31, 2019 USD ($) loans
Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 454 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 63,564 |  |
Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 599 | 505
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 92,688 | $ 52,169
Principal Forgiveness [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 20 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 18,144 |  |
Principal Forgiveness [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 19 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 17,847 |  |
Principal Forgiveness [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 1 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 297 |  |
Principal Forgiveness [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 37 | 18
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 32,314 | $ 5,613
Principal Forgiveness [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 31 | 11
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 28,145 | $ 1,595
Principal Forgiveness [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 6 | 7
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 4,169 | $ 4,018
Extended Maturity [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 129 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 15,520 |  |
Extended Maturity [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 23 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 6,717 |  |
Extended Maturity [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 106 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 8,803 |  |
Extended Maturity [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 92 | 18
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 11,133 | $ 4,246
Extended Maturity [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 26 | 16
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 5,444 | $ 3,904
Extended Maturity [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 66 | 2
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 5,689 | $ 342
Interest Rate Below Market Reduction [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 177 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 20,270 |  |
Interest Rate Below Market Reduction [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 97 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 17,082 |  |
Interest Rate Below Market Reduction [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 80 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 3,188 |  |
Interest Rate Below Market Reduction [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 254 | 266
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 39,944 | $ 26,390
Interest Rate Below Market Reduction [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 98 | 90
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 33,870 | $ 13,932
Interest Rate Below Market Reduction [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 156 | 176
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 6,074 | $ 12,458
Discharge of Debt [Member] | Non-PCD Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 128 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 9,630 |  |
Discharge of Debt [Member] | Non-PCD Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 32 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 5,955 |  |
Discharge of Debt [Member] | Non-PCD Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans | 96 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ | $ 3,675 |  |
Discharge of Debt [Member] | Non-PCI Loans |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 216 | 203
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 9,297 | $ 15,920
Discharge of Debt [Member] | Non-PCI Loans | Commercial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 30 | 25
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 1,168 | $ 5,571
Discharge of Debt [Member] | Non-PCI Loans | Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | loans |  | 186 | 178
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ |  | $ 8,129 | $ 10,349

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