Fair Value Measurements (Summary Of Gains And Losses On Level 3 Assets And Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Gains and Losses included in earnings for Level 3 assets & liabilities [Line Items]
Change in unrealized gains or losses relating to assets still held at period end	$ (3,951)	$ 4,414	$ 6,939	$ (3,312)
Investment Securities Gains (Losses), Net
Gains and Losses included in earnings for Level 3 assets & liabilities [Line Items]
Total gains or losses included in earnings	(3,951)	4,414	6,939	(4,111)
Change in unrealized gains or losses relating to assets still held at period end	$ (3,951)	$ 4,414	$ 6,939	$ (3,312)

- 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.

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