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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	Dec. 31, 2015 USD ($) securities loans	Dec. 31, 2014 USD ($) securities loans
Troubled debt restructurings:
Number of Loans | loans	42	40
Post-Modification Recorded Investment	$ 17,890	$ 9,396
Commercial & industrial (2)
Troubled debt restructurings:
Number of Loans | loans	10	4
Post-Modification Recorded Investment	$ 8,330	$ 155
Troubled Debt Restructuring, Combination of Extension of Term and Interest Rate Concession [Member] | Commercial real estate
Troubled debt restructurings:
Number of Loans | loans	25	26
Post-Modification Recorded Investment	$ 8,477	$ 7,984
Troubled Debt Restructuring, Combination of Extension of Term and Interest Rate Concession [Member] | Commercial & industrial (2)
Troubled debt restructurings:
Number of Loans | loans	10	4
Post-Modification Recorded Investment	$ 8,330	$ 155
Troubled Debt Restructuring, Combination of Extension of Term and Interest Rate Concession [Member] | Consumer and other
Troubled debt restructurings:
Number of Loans | loans	4	5
Post-Modification Recorded Investment	$ 349	$ 400
Troubled Debt Restructuring, Interest Rate Concession [Member] | Commercial real estate
Troubled debt restructurings:
Number of Loans | securities	1	1
Post-Modification Recorded Investment	$ 55	$ 65
Troubled Debt Restructuring, Extension of Term [Member] | Commercial real estate
Troubled debt restructurings:
Number of Loans | loans	1	1
Post-Modification Recorded Investment	$ 24	$ 39
Troubled Debt Restructuring, Extension of Term [Member] | Consumer and other
Troubled debt restructurings:
Number of Loans | loans	1	3
Post-Modification Recorded Investment	$ 655	$ 753

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