Intangible Assets, Goodwill and Other Assets (Schedule of Estimated Amortization Expense) (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Finite-Lived Intangible Assets [Line Items]
2022	$ 11,770
2023	11,502
2024	11,137
2025	10,913
2026	10,612
Other
Finite-Lived Intangible Assets [Line Items]
2022	3,414
2023	3,147
2024	2,783
2025	2,560
2026	2,261
Marine transportation \| Contract intangible
Finite-Lived Intangible Assets [Line Items]
2022	35
2023	34
2024	33
2025	32
2026	30
Offshore pipeline transportation \| Contract intangible
Finite-Lived Intangible Assets [Line Items]
2022	8,321
2023	8,321
2024	8,321
2025	8,321
2026	$ 8,321

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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