Loans and Leases - Schedule Of Troubled Debt Restructurings Occurring During The Year (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020 USD ($) loan	Sep. 30, 2019 USD ($) loan	Sep. 30, 2020 USD ($) loan	Sep. 30, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	186	65	292	211
Pre-Modification Outstanding Recorded Investment	$ 150,907	$ 3,605	$ 172,105	$ 32,239
Post-Modification Outstanding Recorded Investment	$ 140,098	$ 3,670	$ 159,747	$ 32,141
Commercial \| Commercial, Financial, and Industrial (a)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	83	1	87	4
Pre-Modification Outstanding Recorded Investment	$ 130,281	$ 62	$ 140,857	$ 14,179
Post-Modification Outstanding Recorded Investment	$ 119,591	$ 59	$ 128,723	$ 14,101
Commercial \| Consumer Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	14		14
Pre-Modification Outstanding Recorded Investment	$ 11,848		$ 11,848
Post-Modification Outstanding Recorded Investment	$ 11,825		$ 11,825
Consumer \| Consumer Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	79	29	141	139
Pre-Modification Outstanding Recorded Investment	$ 8,698	$ 3,409	$ 19,066	$ 17,743
Post-Modification Outstanding Recorded Investment	$ 8,606	$ 3,485	$ 18,886	$ 17,740
Consumer \| Credit Card and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	10	35	50	68
Pre-Modification Outstanding Recorded Investment	$ 80	$ 134	$ 334	$ 317
Post-Modification Outstanding Recorded Investment	$ 76	$ 126	$ 313	$ 300
C&I \| Commercial \| Commercial, Financial, and Industrial (a)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	83	1	87	4
Pre-Modification Outstanding Recorded Investment	$ 130,281	$ 62	$ 140,857	$ 14,179
Post-Modification Outstanding Recorded Investment	$ 119,591	$ 59	$ 128,723	$ 14,101
HELOC \| Consumer \| Consumer Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	35	13	47	57
Pre-Modification Outstanding Recorded Investment	$ 2,623	$ 1,638	$ 3,687	$ 7,013
Post-Modification Outstanding Recorded Investment	$ 2,584	$ 1,631	$ 3,626	$ 6,950
R/E Installment Loans \| Consumer \| Consumer Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	44	16	94	82
Pre-Modification Outstanding Recorded Investment	$ 6,075	$ 1,771	$ 15,379	$ 10,730
Post-Modification Outstanding Recorded Investment	$ 6,022	$ 1,854	$ 15,260	$ 10,790
CRE \| Commercial \| Consumer Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number \| loan	14		14
Pre-Modification Outstanding Recorded Investment	$ 11,848		$ 11,848
Post-Modification Outstanding Recorded Investment	$ 11,825		$ 11,825

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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.

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