Segment Information (Schedule of Segment Reporting Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Identifiable assets	$ 1,123,850us-gaap_Assets	$ 1,426,377us-gaap_Assets	$ 1,171,589us-gaap_Assets
Revenues	193,814us-gaap_Revenues	239,034us-gaap_Revenues
Operating Costs	132,197us-gaap_CostOfRevenue	154,090us-gaap_CostOfRevenue
Drilling Services Revenue	98,415pes_OilAndGasDrillingServicesRevenue	117,957pes_OilAndGasDrillingServicesRevenue
Drilling Services Costs and Expenses	63,455pes_DrillingServicesCostsAndExpenses	76,338pes_DrillingServicesCostsAndExpenses
Production Services Revenue	95,399pes_ProductionServicesRevenue	121,077pes_ProductionServicesRevenue
Production Services Costs and Expenses	68,742pes_ProductionServicesCostsAndExpenses	77,752pes_ProductionServicesCostsAndExpenses
Segment Margin	61,617us-gaap_GrossProfit	84,944us-gaap_GrossProfit
Depreciation and amortization	41,782	45,526
Capital Expenditures	48,816	36,917
Drilling Services Segment [Member]
Segment Reporting Information [Line Items]
Identifiable assets	697,248	780,786
Segment Margin	34,960	41,619
Depreciation and amortization	23,600	29,239
Capital Expenditures	33,056	21,256
Production Services Segment [Member]
Segment Reporting Information [Line Items]
Identifiable assets	380,036	403,923
Segment Margin	26,657	43,325
Depreciation and amortization	17,833	16,019
Capital Expenditures	15,457	15,343
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Identifiable assets	46,566	241,668
Revenues	0	0
Operating Costs	0	0
Segment Margin	0	0
Depreciation and amortization	349	268
Capital Expenditures	$ 303	$ 318

Costs related to drilling services rendered during the reporting period.

No definition available.

Name:	pes_DrillingServicesCostsAndExpenses
Namespace Prefix:	pes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Revenue from oil and gas drilling services during the period.

+ References

No definition available.

+ Details

Name:	pes_OilAndGasDrillingServicesRevenue
Namespace Prefix:	pes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Costs related to production services rendered during the reporting period.

+ References

No definition available.

+ Details

Name:	pes_ProductionServicesCostsAndExpenses
Namespace Prefix:	pes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Revenue from oil and gas-related production services, including well services, wireline services, and fishing and rental services during the period.

+ References

No definition available.

+ Details

Name:	pes_ProductionServicesRevenue
Namespace Prefix:	pes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

+ 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 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_CostOfRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ 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 210.5-03.1,2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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

- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ 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

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=pes_ProductionServicesSegmentMember
Namespace Prefix:
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Period Type: