Related Party Transactions - Narrative (Details)	12 Months Ended
Dec. 31, 2019 shares
Martin Resource Management
Related Party Transaction [Line Items]
Number of shares owned (in shares)	6,114,532
Ownership percentage	15.70%
Martin Resource Management \| Martin Resource Management \| MMGP
Related Party Transaction [Line Items]
General partner interest percentage	51.00%
MMGP
Related Party Transaction [Line Items]
General partner interest percentage	2.00%
MMGP \| Martin Resource Management
Related Party Transaction [Line Items]
General partner interest percentage	2.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Balance held at close of period in number of shares.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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