Derivative Instruments (Effect Of Fair Value Hedges On Consolidated Statements Of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Interest and Fee Income, Loans and Leases	$ 22,215	$ 0	$ 0
Not Designated As Hedging Instruments
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	1,646	(3,043)	(3,040)
Interest rate contracts \| Cash Flow Hedging
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	2,765	0	0
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans	2,765	0	0
Interest rate contracts \| Not Designated As Hedging Instruments \| Capital markets income
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(777)	(338)	(29)
Swap \| Not Designated As Hedging Instruments \| Capital markets income
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	2,500
Mortgage derivatives \| Not Designated As Hedging Instruments \| Mortgage derivatives - interest rate lock commitments
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	4,969	346	8
Mortgage derivatives \| Not Designated As Hedging Instruments \| Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(1,443)	651	(691)
Visa derivative \| Not Designated As Hedging Instruments \| Other non-interest expense
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(890)	(3,611)	(2,328)
Other contracts \| Not Designated As Hedging Instruments \| Capital markets income
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (213)	$ (91)	$ 0

Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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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.

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- Definition

Aggregate gain on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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- Definition

The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.1)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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