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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Troubled Debt Restructurings) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) loans | Dec. 31, 2018 loans
Troubled debt restructurings: |  |
Number of loans | loans | 17 | 0
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 17,146 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 13,459 |
Commercial real estate — owner occupied |  |
Troubled debt restructurings: |  |
Number of loans | loans | 2 |
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 3,774 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 3,614 |
Commercial and industrial |  |
Troubled debt restructurings: |  |
Number of loans | loans | 15 |
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 13,372 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 9,845 |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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