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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 | Dec. 31, 2017 USD ($) loans | Dec. 31, 2016 USD ($) loans
--- | --- | ---
Troubled debt restructurings: |  |
Number of Loans | loans | 27 | 30
Pre-Modification Recorded Investment | $ 18,485 | $ 18,897
Post-Modification Recorded Investment | $ 9,147 | $ 13,560
Commercial real estate — owner occupied |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 3 | 3
Pre-Modification Recorded Investment | $ 1,065 | $ 1,065
Post-Modification Recorded Investment | $ 880 | $ 930
Commercial real estate — non-owner occupied |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 1 | 1
Pre-Modification Recorded Investment | $ 158 | $ 158
Post-Modification Recorded Investment | $ 34 | $ 39
Land development |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 1 | 1
Pre-Modification Recorded Investment | $ 5,745 | $ 5,745
Post-Modification Recorded Investment | $ 2,626 | $ 3,440
Construction |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 0 | 2
Pre-Modification Recorded Investment | $ 0 | $ 331
Post-Modification Recorded Investment | $ 0 | $ 314
Multi-family |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 0 | 0
Pre-Modification Recorded Investment | $ 0 | $ 0
Post-Modification Recorded Investment | $ 0 | $ 0
1-4 family |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 8 | 11
Pre-Modification Recorded Investment | $ 627 | $ 1,391
Post-Modification Recorded Investment | $ 307 | $ 1,393
Commercial and industrial |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 10 | 10
Pre-Modification Recorded Investment | $ 8,759 | $ 8,094
Post-Modification Recorded Investment | $ 4,951 | $ 7,058
Home equity and second mortgages |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 2 | 1
Pre-Modification Recorded Investment | $ 37 | $ 37
Post-Modification Recorded Investment | $ 4 | $ 8
Other |  |
Troubled debt restructurings: |  |
Number of Loans | loans | 2 | 1
Pre-Modification Recorded Investment | $ 2,094 | $ 2,076
Post-Modification Recorded Investment | $ 345 | $ 378

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