Other Investment Securities (Schedule Of Other Investment Securities) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Federal Home Loan Bank Stock	$ 13,415,000		$ 17,754,000
Federal Reserve Bank Stock	14,653,000		14,653,000
Equity investments carried at fair value	2,092,000		2,089,000
Equity Method Investments	15,921,000		15,921,000
Alternative Investment	44,879,000		45,885,000
Other investment securities	$ 90,960,000		$ 96,302,000
equity investment shares sold	45,630	30,938
Payments for (Proceeds from) Federal Home Loan Bank Stock	$ (4,600,000)	$ 3,100,000
Loss on equity securities, net	(687,000)	(405,000)
Alternative Investment, income recognized	(690,000)	(378,000)
Payments to Acquire Federal Reserve Bank Stock	$ 0	0
Equity, Fair Value Adjustment		871,000
equity shares purchased	2,246
Payments to Acquire Federal Home Loan Bank Stock	$ 225,000	0
Equity Securities [Member]
Schedule of Investments [Line Items]
Loss on equity securities, net	$ 3,000	$ (27,000)