Loans and Leases and the Allowance for Credit Losses - Schedule of Loans Modified in TDR (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) contract	Sep. 30, 2020 USD ($) contract	Sep. 30, 2021 USD ($) contract	Sep. 30, 2020 USD ($) contract
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	128	22	505	129
Recorded Investment (as of period end)	$ 3,799	$ 546	$ 15,754	$ 3,124
Increase in Allowance (as of period end)	$ 107	$ 9	$ 811	$ 40
Commercial
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	2	1	7	4
Recorded Investment (as of period end)	$ 153	$ 92	$ 258	$ 1,287
Increase in Allowance (as of period end)	$ 2	$ 1	$ 4	$ 3
Commercial | Commercial and Industrial
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	2	0	7	3
Recorded Investment (as of period end)	$ 153	$ 0	$ 258	$ 188
Increase in Allowance (as of period end)	$ 2	$ 0	$ 4	$ 3
Commercial | Construction
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	0	1	0	1
Recorded Investment (as of period end)	$ 0	$ 92	$ 0	$ 1,099
Increase in Allowance (as of period end)	$ 0	$ 1	$ 0	$ 0
Consumer
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	126	21	498	125
Recorded Investment (as of period end)	$ 3,646	$ 454	$ 15,496	$ 1,837
Increase in Allowance (as of period end)	$ 105	$ 8	$ 807	$ 37
Consumer | Other
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	51	7	144	42
Recorded Investment (as of period end)	$ 439	$ 93	$ 1,321	$ 357
Increase in Allowance (as of period end)	$ 16	$ 4	$ 48	$ 15
Consumer | Residential Mortgage
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	2	0	14	0
Recorded Investment (as of period end)	$ 796	$ 0	$ 5,785	$ 0
Increase in Allowance (as of period end)	$ 21	$ 0	$ 584	$ 0
Consumer | Home Equity
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	2	2	9	2
Recorded Investment (as of period end)	$ 779	$ 134	$ 1,488	$ 134
Increase in Allowance (as of period end)	$ 46	$ 0	$ 80	$ 0
Consumer | Automobile
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	71	12	331	81
Recorded Investment (as of period end)	$ 1,632	$ 227	$ 6,902	$ 1,346
Increase in Allowance (as of period end)	$ 22	$ 4	$ 95	$ 22