Transactions with Related Parties (Narrative) (Details) - Affiliated Entity - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Poseidon Oil Pipeline Company
Related Party Transaction [Line Items]
Net sales from related party	$ 14,606	$ 13,846	$ 12,902
Due from related parties	2,400	2,400
Costs charged by related party, included in operating costs	1,057	965	960
Poseidon Oil Pipeline Company \| Asset Management Arrangement
Related Party Transaction [Line Items]
Net sales from related party	9,700	9,400	9,200
ANSAC
Related Party Transaction [Line Items]
Net sales from related party	418,232	280,935	236,408
Due from related parties	137,522	64,799
Costs charged by related party, included in operating costs	$ 9,891	$ 1,213	$ 2,460

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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+ Details

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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+ Details