Revenue Recognition (Schedule Of Contract Assets And Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Opening [Member]
Contract Receivables and Liabilities [Line Items]
Receivables	$ 1,109	$ 638	$ 1,640	$ 1,351
Contract Liabilities	6,064	2,185	4,714	2,417
Closing [Member]
Contract Receivables and Liabilities [Line Items]
Receivables	853	652	853	652
Contract Liabilities	7,121	3,706	7,121	3,706
(Decrease)/Increase [Member]
Contract Receivables and Liabilities [Line Items]
Receivables	(256)	14	(787)	(699)
Contract Liabilities	$ 1,057	$ 1,521	$ 2,407	$ 1,289