Pension And Other Liabilities (Schedule Of The Components Of Net Periodic Benefit Cost And Other Amounts Recognized In Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Pension And Other Liabilities [Abstract]
Interest cost	$ 216	$ 240
Amortization of prior service costs
Amortization of net actuarial gain	147	166
Net periodic benefit cost	363	406
Amortization of net loss	(147)	(166)
Total recognized in other comprehensive income	(147)	(166)
Total recognized in net periodic benefit cost and other comprehensive income	$ 216	$ 240