Intangible Assets, Goodwill and Other Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 229,075	$ 203,292
Accumulated Amortization	87,538	75,972
Carrying Value	$ 141,537	127,320
Other
Finite-Lived Intangible Assets [Line Items]
Weighted Amortization Period in Years	10 years
Gross Carrying Amount	$ 70,974	45,191
Accumulated Amortization	17,502	14,257
Carrying Value	$ 53,472	30,934
Offshore pipeline transportation | Offshore pipeline contract intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Amortization Period in Years	19 years
Gross Carrying Amount	$ 158,101	158,101
Accumulated Amortization	70,036	61,715
Carrying Value	$ 88,065	$ 96,386