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Transactions With Related Parties | 9 Months Ended
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Sep. 30, 2013
Related Party Transactions [Abstract] |
Transactions With Related Parties | 10. Transactions with Related Parties Sales, purchases and other transactions with affiliated companies, in the opinion of management, are conducted under terms no more or less favorable than then-existing market conditions. The transactions with related parties were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Revenues: |  |  |  |  |  |  |
Sales of CO2 to Sandhill Group, LLC (1) | $ | 863 |  |  | $ | 838 |  |  | $ | 2,344 |  |  | $ | 2,111 |
Petroleum products sales to Davison family businesses | 399 |  |  | 326 |  |  | 1,043 |  |  | 1,012 |
Petroleum products sales to an affiliate of the Quintana Group (2) | — |  |  | 6,376 |  |  | — |  |  | 21,142 |
Costs and expenses: |  |  |  |  |  |  |
Amounts paid to our CEO in connection with the use of his aircraft | $ | 150 |  |  | $ | 150 |  |  | $ | 450 |  |  | $ | 450 |
Marine operating fuel and expenses provided by an affiliate of the Quintana Group (2) | — |  |  | 1,980 |  |  | — |  |  | 6,181 |
(1) | We own a 50% interest in Sandhill Group, LLC.
(2) | The Quintana Group monetized all of its remaining investment in our common units on October 5, 2012. Transactions with the Quintana Group are included in the above table as related party transactions through October 5, 2012.
Amount due from Related Party At both September 30, 2013 and December 31, 2012 Sandhill Group, LLC owed us $0.3 million for purchases of CO2.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 3A Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864 + Details
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