Related Party Transactions (Other Agreements) (Details) - Martin Resource Management	9 Months Ended
	Sep. 30, 2015 bbl
Cross Tolling Agreement
Related Party Transaction [Line Items]
Production minimum per day (in bbl)	6,500
Annual escalation benchmark percentage	3.00%
Sulfuric Acid Sales Agency Agreement
Related Party Transaction [Line Items]
Partnership notice period to terminate agreement (in days)	180 days