Related Party Transactions - Narrative (Details)	9 Months Ended
Sep. 30, 2025 shares
MMGP LLC
Related Party Transaction
General partner interest (percent)	2.00%
Martin Resource Management \| Martin Resource Management Corporation \| Martin Midstream Partners L.P.
Related Party Transaction
Common limited partner units (in shares)	7,662,005
Voting interest (percent)	19.60%
Martin Resource Management \| Martin Resource Management \| MMGP Holdings, LLC
Related Party Transaction
General partner interest (percent)	100.00%
Martin Resource Management \| MMGP LLC
Related Party Transaction
General partner interest (percent)	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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Number of shares of investment owned.

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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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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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