Segment Information (Schedule Of Revenues By Geographic Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 220,137	$ 197,930
Long-lived assets	294,094		$ 282,376
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	226,091		212,534
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	116,658	$ 98,346
Long-lived assets	$ 68,003		$ 69,842