Investment Securities (Proceeds From Sales Of Securities And Components Of Investment Securities Gains And Losses) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investment [Line Items]
Proceeds from sales of available for sale debt securities including pending trades		$ 70,145	$ 1,080,083	$ 1,101,782
Proceeds from sale of equity securities		0	176,780	0
Proceeds from sales of other investments including pending trades		15,811	38,724	40,167
Total proceeds from sales of investments including pending trades		85,956	1,295,587	1,141,949
Investment securities gains (losses), net	[1]	3,660	7,823	14,985
Available-for-sale Securities [Member]
Investment [Line Items]
Gains realized on sales		4	0	143
Loss realized on sales		(8,414)	196,283	8,587
Equity securities [Member]
Investment [Line Items]
Equity Securities, FV-NI, Gain (Loss)		1,376	178,092	(487)
Other Investments [Member]
Investment [Line Items]
Gains realized on sales		1,312	3,481	976
Other securities, loss realized on sales		(2,354)	(1,601)	(1,076)
Fair value adjustments, net		$ (11,736)	$ (24,134)	$ (24,016)

[1] Available for sale debt securities, equity securities, and other securities.