XML 16 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Business Segment Information - Summarized Financial Information of Segments (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Segment Reporting Information [Line Items] |  |  |
Total revenues | $ 349,519 | $ 248,304 |
Operating income (loss) | 329,080 | 117,953 |
Other income (expense) | (57,608) | (35,015) |
Income (loss) before income taxes | 271,472 | 82,938 |
Total assets | 4,792,084 |  | 4,711,924
Exploration and Production [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 331,847 | 241,652 |
Well Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 15,827 | 5,714 |
Midstream Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 1,845 | 938 |
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 393,606 | 282,240 |
Operating income (loss) | 329,080 | 117,953 |
Other income (expense) | (57,608) | (35,015) |
Income (loss) before income taxes | 271,472 | 82,938 |
Total assets | 4,792,084 |  | 4,711,924
Operating Segments [Member] | Exploration and Production [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 331,847 | 241,652 |
Operating income (loss) | 326,533 | 114,885 |
Other income (expense) | (57,660) | (35,019) |
Income (loss) before income taxes | 268,873 | 79,866 |
Total assets | 4,603,244 |  | 4,532,264
Operating Segments [Member] | Well Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 52,406 | 35,768 |
Operating income (loss) | 1,620 | 2,563 |
Other income (expense) | 52 | 4 |
Income (loss) before income taxes | 1,672 | 2,567 |
Total assets | 76,929 |  | 70,708
Operating Segments [Member] | Midstream Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 9,353 | 4,820 |
Operating income (loss) | 927 | 505 |
Income (loss) before income taxes | 927 | 505 |
Total assets | 111,911 |  | 108,952
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | (44,087) | (33,936) |
Intersegment Eliminations [Member] | Well Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | (36,579) | (30,054) |
Intersegment Eliminations [Member] | Midstream Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | $ (7,508) | $ (3,882) |

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: 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.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 + Details
Name: | us-gaap_NonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate revenue during the period related to oil and gas business activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62136-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62246-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_OilAndGasRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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