Revenue Recognition (Summary Of Revenue Performance Obligations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Performance Obligations
Revenues	$ 27,569	$ 25,204	$ 51,815	$ 42,936
Percent of Revenues	100.00%	100.00%	100.00%	100.00%
Revenue recognized over time
Performance Obligations
Revenues	$ 748	$ 695	$ 1,590	$ 1,098
Percent of Revenues	2.70%	2.80%	3.10%	2.60%
Revenue recognized at a point in time
Performance Obligations
Revenues	$ 26,821	$ 24,509	$ 50,225	$ 41,838
Percent of Revenues	97.30%	97.20%	96.90%	97.40%