Segment Information (Schedule Of Revenues By Geographic Segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 282,376	$ 356,274
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	212,534	231,388
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 69,842	$ 124,886