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Transactions with Related Parties (Tables)

12 Months Ended

Dec. 31, 2016

Related Party Transactions [Abstract]

Schedule of Transactions With Related Parties

The transactions with related parties were as follows:



	Year Ended December 31,
	2016				2015				2014
Revenues:
Sales of CO₂ to Sandhill Group, LLC ⁽¹⁾	$	3,097			$	3,259			$	3,060
Revenues from services and fees to Poseidon Oil Pipeline Company, LLC ⁽²⁾	10,844				4,536				—

Expenses:
Amounts paid to our CEO in connection with the use of his aircraft	$	660			$	690			$	630
Charges for products purchased from Poseidon Oil Pipeline Company, LLC ⁽²⁾	1,007				464				—


(1)	We own a 50% interest in Sandhill Group, LLC.


(2)	We own a 64% interest in Poseidon Oil Pipeline Company, LLC.


(3)	We owned a 50% interest in Deepwater Gateway, LLC until the first quarter of 2016 when we acquired the remaining 50%.