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Derivatives (Summary Of Types Of Derivatives And Gains (Losses) Recorded) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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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

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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 -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 + Details
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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 + 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 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 + Details
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