Loans And Allowance For Credit Losses (Average Impaired Loans) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($)
Financing Receivable, Impaired [Line Items]
Non-accrual loans	$ 12,320
Restructured loans (accruing)	69,044
Average Impaired Loans, Total	81,364
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Non-accrual loans	10,347
Restructured loans (accruing)	53,607
Average Impaired Loans, Total	63,954
Personal Banking Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Non-accrual loans	1,973
Restructured loans (accruing)	15,437
Average Impaired Loans, Total	$ 17,410

Average recorded investment in financing receivables on Nonaccrual status.

No definition available.

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- Definition

Average recorded investment in financing receivables modified in a troubled debt restructuring.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5258-111524

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- Details

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