Investment Securities (Proceeds From Sales Of Securities And Components Of Investment Securities Gains And Losses) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Proceeds From Sale Of Other Securities		$ 1,745	$ 9,292
Total proceeds	[1]	1,745	9,292
Investment securities gains (losses), net	[1]	7,163	9,853
Equity Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Equity Securities, FV-NI, Unrealized Gain (Loss)		(287)	(35)
Other Investments [Member]
Debt Securities, Available-for-sale [Line Items]
Other Securities, Gains realized on sales		0	1,523
Fair value other securities adjustments, net		$ 7,450	$ 8,365

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