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Partners' Capital (Deficit) - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2019
Limited Partners' Capital Account
Common limited partner units (in shares)	39,055,086
Cash distributions	$ 199	$ 199
Martin Resource Management
Limited Partners' Capital Account
Common limited partner units (in shares)	6,372,252
Martin Resource Management Corporation
Limited Partners' Capital Account
Ownership interest (percent)	98.00%
Martin Resource Management Corporation \| Martin Resource Management Corporation
Limited Partners' Capital Account
Purchase price			$ 552,058
Cash distributions			$ 289,019
MMGP LLC
Limited Partners' Capital Account
General partner interest (percent)	2.00%
MMGP LLC \| Martin Resource Management
Limited Partners' Capital Account
Ownership interest (percent)	16.30%
General partner interest (percent)	2.00%