Deferred Charges and Other Assets (Schedule Of Intangible and Other Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Assets [Abstract]
Turnaround costs, net	$ 133,176	$ 127,647
Other	7,806	2,512
Deferred charges and other assets, net	$ 140,982	130,159
Minimum
Deferred Charges and Other Assets [Line Items]
Other assets amortization period	5 years
Maximum
Deferred Charges and Other Assets [Line Items]
Other assets amortization period	20 years
Other Assets
Deferred Charges and Other Assets [Line Items]
Amortization	$ 25,692	$ 26,330	$ 16,962