Intangible Assets, Goodwill and Other Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 181,261	$ 180,734
Accumulated Amortization	105,655	95,447
Carrying Value	$ 75,606	85,287
Other
Finite-Lived Intangible Assets [Line Items]
Weighted Amortization Period in Years	8 years
Gross Carrying Amount	$ 23,160	22,633
Accumulated Amortization	18,977	17,090
Carrying Value	$ 4,183	5,543
Offshore pipeline transportation | Offshore pipeline contract intangible
Finite-Lived Intangible Assets [Line Items]
Weighted Amortization Period in Years	19 years
Gross Carrying Amount	$ 158,101	158,101
Accumulated Amortization	86,678	78,357
Carrying Value	$ 71,423	$ 79,744