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Derivatives (Summary Of Types Of Derivatives And Gains (Losses) Recorded) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Losses)	$ (5,860)	$ 23,076	$ (7,621)	$ 50,581
Foreign currency derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Losses)	$ (109)	$ 803	$ (79)	$ 1,504
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income, Other Operating Income	Noninterest Income, Other Operating Income	Noninterest Income, Other Operating Income	Noninterest Income, Other Operating Income
Interest rate lock commitments | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Losses)	$ (188)	$ 736	$ (83)	$ (4,758)
Future | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Losses)	(7,636)	0	(4,986)	0
Interest rate forward sales commitments | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Losses)	$ 785	$ 14,200	$ (218)	$ 39,451
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Residential mortgage banking (loss) revenue, net	Residential mortgage banking (loss) revenue, net	Residential mortgage banking (loss) revenue, net	Residential mortgage banking (loss) revenue, net
Interest rate swaps | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Losses)	$ 1,288	$ 7,337	$ (2,255)	$ 14,384
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income, Other Operating Income	Noninterest Income, Other Operating Income	Noninterest Income, Other Operating Income	Noninterest Income, Other Operating Income

X

- 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
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

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- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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