XML 40 R45.htm IDEA: XBRL DOCUMENT v3.2.0.727

Business Segments - Revenues (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Revenue Reconciling Item [Line Items]
Total operating revenues		$ 472,761	$ 757,276	$ 1,130,460	$ 1,435,444
Operating Segments
Segment Reporting Revenue Reconciling Item [Line Items]
Total operating revenues		473,028	758,720	1,131,490	1,437,947
Operating Segments | Contract Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total operating revenues		288,588	440,027	690,829	866,989
Operating Segments | Pressure Pumping
Segment Reporting Revenue Reconciling Item [Line Items]
Total operating revenues		176,624	306,577	426,345	546,838
Operating Segments | Oil And Natural Gas
Segment Reporting Revenue Reconciling Item [Line Items]
Total operating revenues		7,816	12,116	14,316	24,120
Intersegment Elimination
Segment Reporting Revenue Reconciling Item [Line Items]
Total operating revenues	[1]	$ (267)	$ (1,444)	$ (1,030)	$ (2,503)
[1] Consists of contract drilling intercompany revenues for services provided to the oil and natural gas exploration and production segment.

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ 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

+ Details

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=pten_ContractDrillingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=pten_PressurePumpingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=pten_OilAndNaturalGasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: