Segment Information (Schedule Of Revenues By Geographic Segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 294,960	$ 282,376
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	232,629	212,534
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 62,331	$ 69,842