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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 | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) loans | Sep. 30, 2018 loans | Sep. 30, 2019 USD ($) loans | Sep. 30, 2018 loans
Troubled debt restructurings |  |  |  |
Number of Loans | loans | 4 | 0 | 18 | 0
Pre-Modification Recorded Investment | $ 6,578 |  | $ 17,186 |
Post-Modification Recorded Investment | $ 6,545 |  | $ 16,764 |
Commercial real estate — owner occupied |  |  |  |
Troubled debt restructurings |  |  |  |
Number of Loans | loans | 2 |  | 2 |
Pre-Modification Recorded Investment | $ 3,774 |  | $ 3,774 |
Post-Modification Recorded Investment | $ 3,741 |  | $ 3,741 |
Commercial and industrial |  |  |  |
Troubled debt restructurings |  |  |  |
Number of Loans | loans | 2 |  | 16 |
Pre-Modification Recorded Investment | $ 2,804 |  | $ 13,412 |
Post-Modification Recorded Investment | $ 2,804 |  | $ 13,023 |

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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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