Other Assets (Schedule Of Other Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Other Assets [Abstract]
Deposit with OAS (Note 18)	$ 46,968	$ 50,274
Cash surrender value life insurance	3,651	3,636
Noncurrent advances and deposits	2,139	2,368
Deferred debt costs (Note 3)	1,197	1,703
Other	1,663	1,826
Other assets	$ 55,618	$ 59,807