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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Troubled Debt Restructurings by Modification Type) (Details) $ in Thousands | Sep. 30, 2016 USD ($) securities loans | Dec. 31, 2015 USD ($) securities loans
--- | --- | ---
Troubled debt restructurings |  |
Number of Loans | loans | 36 | 42
Recorded Investment | $ 13,890 | $ 17,890
Commercial and industrial |  |
Troubled debt restructurings |  |
Number of Loans | loans | 8 | 10
Recorded Investment | $ 6,224 | $ 8,330
Combination of extension of term and interest rate concession | Commercial real estate |  |
Troubled debt restructurings |  |
Number of Loans | loans | 23 | 25
Recorded Investment | $ 7,015 | $ 8,477
Combination of extension of term and interest rate concession | Commercial and industrial |  |
Troubled debt restructurings |  |
Number of Loans | loans | 8 | 10
Recorded Investment | $ 6,224 | $ 8,330
Combination of extension of term and interest rate concession | Consumer and other |  |
Troubled debt restructurings |  |
Number of Loans | loans | 2 | 4
Recorded Investment | $ 577 | $ 349
Interest rate concession | Commercial real estate |  |
Troubled debt restructurings |  |
Number of Loans | securities | 1 | 1
Recorded Investment | $ 53 | $ 55
Extension of term | Commercial real estate |  |
Troubled debt restructurings |  |
Number of Loans | loans | 1 | 1
Recorded Investment | $ 12 | $ 24
Extension of term | Consumer and other |  |
Troubled debt restructurings |  |
Number of Loans | loans | 1 | 1
Recorded Investment | $ 9 | $ 655

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