Loans and Leases - Narrative (Details) $ in Millions	Sep. 30, 2020 USD ($)
Minimum [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of loan relationship balance, loans reviewed annually	$ 1
Maximum [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of loan relationship balance, loans reviewed on a performance basis	$ 1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration