XML 40 R31.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Transactions With Related Parties (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Related Party Transactions [Abstract] |
Schedule Of 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 March 31,
| 2015 |  | 2014
Revenues: |  |  |
Sales of CO 2 to Sandhill Group, LLC (1) | $ | 699 |  |  | $ | 655 |
Costs and expenses: |  |  |
Amounts paid to our CEO in connection with the use of his aircraft | $ | 195 |  |  | $ | 150 |
(1) | We own a 50% interest in Sandhill Group, LLC.

X
- Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, 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 No definition available. + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration