Loans and Leases and the Allowance for Credit Losses - Schedule of Loans Modified in TDR (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	548	441
Recorded Investment (as of period end)	$ 11,886	$ 28,116
Increase in Allowance (as of period end)	$ 262	$ 2,564
Commercial
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	6	9
Recorded Investment (as of period end)	$ 1,249	$ 21,208
Increase in Allowance (as of period end)	$ 65	$ 2,465
Commercial | Commercial and Industrial
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	5	8
Recorded Investment (as of period end)	$ 203	$ 17,585
Increase in Allowance (as of period end)	$ 5	$ 2,465
Commercial | Commercial Mortgage
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	1	1
Recorded Investment (as of period end)	$ 1,046	$ 3,623
Increase in Allowance (as of period end)	$ 60
Consumer
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	542	432
Recorded Investment (as of period end)	$ 10,637	$ 6,908
Increase in Allowance (as of period end)	$ 197	$ 99
Consumer | Other
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	180	95
Recorded Investment (as of period end)	$ 1,850	$ 572
Increase in Allowance (as of period end)	$ 77	$ 17
Consumer | Residential Mortgage
Financing Receivable Modifications [Line Items]
Number of Contracts | contract		1
Recorded Investment (as of period end)		$ 57
Consumer | Home Equity
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	10	4
Recorded Investment (as of period end)	$ 1,246	$ 368
Increase in Allowance (as of period end)	$ 8	$ 9
Consumer | Automobile
Financing Receivable Modifications [Line Items]
Number of Contracts | contract	352	332
Recorded Investment (as of period end)	$ 7,541	$ 5,911
Increase in Allowance (as of period end)	$ 112	$ 73