Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive income (loss), beginning of period			$ (2,037,000)
Other comprehensive loss, net of tax	$ (148,000)	$ (217,000)	(364,000)	$ (1,267,000)
Accumulated other comprehensive income (loss), end of period	(2,401,000)		(2,401,000)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive income (loss), beginning of period	(2,253,000)	(1,220,000)	(2,037,000)	(170,000)
Other comprehensive loss before reclassifications	(148,000)	(217,000)	(364,000)	(1,267,000)
Other comprehensive loss, net of tax	(148,000)	(217,000)	(364,000)	(1,267,000)
Accumulated other comprehensive income (loss), end of period	(2,401,000)	(1,437,000)	(2,401,000)	(1,437,000)
Amount reclassified out of other comprehensive income	$ 0	$ 0	$ 0	$ 0