Revenue Recognition (Schedule Of Contract Assets And Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Opening [Member]
Contract Receivables and Liabilities [Line Items]
Receivables	$ 493	$ 1,109	$ 553	$ 1,640
Contract Liabilities	4,808	6,064	3,644	4,714
Closing [Member]
Contract Receivables and Liabilities [Line Items]
Receivables	502	853	502	853
Contract Liabilities	5,199	7,121	5,199	7,121
(Decrease)/Increase [Member]
Contract Receivables and Liabilities [Line Items]
Receivables	9	(256)	(51)	(787)
Contract Liabilities	$ 391	$ 1,057	$ 1,555	$ 2,407