Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended			36 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), beginning of period	$ (170)
Other comprehensive income (loss), net of tax	(1,867)	$ (266)	$ 68
Accumulated other comprehensive income, end of period	(2,037)	(170)		$ (2,037)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), beginning of period	(170)	96	28	28
Other comprehensive income (loss) before reclassifications	(1,867)	(266)	68
Other comprehensive income (loss), net of tax	(1,867)	(266)	68
Accumulated other comprehensive income, end of period	(2,037)	(170)	96	(2,037)
Amount reclassified out of other comprehensive income