Other Assets (Schedule Of Other Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Other Assets [Abstract]
Deposit with OAS	$ 46,968	$ 46,968
Cash surrender value life insurance	3,741	3,651
Noncurrent advances and deposits	2,205	2,139
Deferred debt costs	1,191	1,197
Other	2,071	1,663
Total other assets	$ 56,176	$ 55,618