Loans and Leases (Information on How Loans and Leases were Modified as a TDR) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	192	136	143
Post-Modification Recorded Investment \| $	$ 55,691	$ 88,771	$ 66,781
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	4	7
Commercial Portfolio Segment [Member] \| Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	12	18	18
Post-Modification Recorded Investment \| $	$ 1,142	$ 10,769	$ 1,656
Commercial Portfolio Segment [Member] \| Adjusted Interest Rates [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	1	2	0
Post-Modification Recorded Investment \| $	$ 96	$ 112	$ 0
Commercial Portfolio Segment [Member] \| Combination Rate and Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	9	11	18
Post-Modification Recorded Investment \| $	$ 984	$ 673	$ 10,327
Commercial Portfolio Segment [Member] \| Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	27	31	21
Post-Modification Recorded Investment \| $	$ 40,434	$ 70,002	$ 46,359
Consumer Portfolio Segment [Member] \| Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	6	13	5
Post-Modification Recorded Investment \| $	$ 673	$ 1,926	$ 489
Consumer Portfolio Segment [Member] \| Combination Rate and Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	15	19	15
Post-Modification Recorded Investment \| $	$ 1,467	$ 2,381	$ 1,565
Consumer Portfolio Segment [Member] \| Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	122	42	66
Post-Modification Recorded Investment \| $	$ 10,895	$ 2,908	$ 6,385

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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