Loans and Leases and the Allowance for Loan and Lease Losses (Troubled Debt Restructuring's that Defaulted During the Period) (Details 7) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) contract	Jun. 30, 2018 USD ($) contract	Jun. 30, 2019 USD ($) contract	Jun. 30, 2018 USD ($) contract
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract	21	35	40	74
Recorded Investment (as of period ended), TDRs that Defaulted | $	$ 307	$ 456	$ 520	$ 1,137
Minimum
Information related to loans modified as a TDR
Default Period Past Due Following Modification of Loans in TDR (in days)			60 days
Commercial
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract	1	0	1	0
Recorded Investment (as of period ended), TDRs that Defaulted | $	$ 58	$ 0	$ 58	$ 0
Commercial | Commercial and Industrial
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract	1	0	1	0
Recorded Investment (as of period ended), TDRs that Defaulted | $	$ 58	$ 0	$ 58	$ 0
Consumer
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract	20	35	39	74
Recorded Investment (as of period ended), TDRs that Defaulted | $	$ 249	$ 456	$ 462	$ 1,137
Consumer | Home Equity
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract			0	1
Recorded Investment (as of period ended), TDRs that Defaulted | $			$ 0	$ 236
Consumer | Automobile
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract	9	14	19	32
Recorded Investment (as of period ended), TDRs that Defaulted | $	$ 186	$ 289	$ 353	$ 606
Consumer | Other
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted | contract	11	21	20	41
Recorded Investment (as of period ended), TDRs that Defaulted | $	$ 63	$ 167	$ 109	$ 295