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Partners' Capital (Deficit) - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2019
Limited Partners' Capital Account
Common limited partner units (in shares)	38,836,950
Cash distributions	$ 198	$ 197
Martin Resource Management
Limited Partners' Capital Account
Common limited partner units (in shares)	6,114,532
Martin Resource Management Corporation
Limited Partners' Capital Account
Ownership interest (percentage)	98.00%
Martin Resource Management Corporation \| Martin Resource Management Corporation
Limited Partners' Capital Account
Purchase price			$ 552,123
Cash distributions			$ 289,084
MMGP LLC
Limited Partners' Capital Account
General partner interest percentage	2.00%
MMGP LLC \| Martin Resource Management
Limited Partners' Capital Account
Ownership interest (percentage)	15.70%
General partner interest percentage	2.00%