XML 36 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6

Inventory (Tables)

3 Months Ended

Mar. 31, 2012

Inventory [Abstract]

Schedule Of Inventory

		March 31, 2012				December 31, 2011
		(In thousands)
Equipment and materials		$	7,485			$	2,709
Crude oil inventory			2,937				834
Total inventory		$	10,422			$	3,543

X

- Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic

-SubTopic

-Publisher SEC

-Number 210

-Article 5

-Subparagraph a,b,c

-Name Regulation S-X (SX)

-Paragraph 6

-Section 2

+ Details

Name:	us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration