XML 21 R49.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Acquisitions - Additional Information (Detail) shares in Thousands, $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 11, 2017 USD ($) shares | Apr. 20, 2017 USD ($) Rigs hp shares | Jan. 27, 2017 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  |  | $ 395,060 | $ 410,756 | $ 611,473
Increase in goodwill due to measurement period adjustments |  |  |  | 2,104 | 1,000 |
Merger and integration related costs |  |  |  |  | 2,738 | 74,451
Contract Drilling |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  |  | $ 395,060 | $ 395,060 | 395,060
Pressure Pumping |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  |  |  |  | 121,444
Seventy Seven Energy Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Shares of common stock exchange in business acquisition | shares |  | 46,298 |  |  |  |
Repayment of outstanding debt |  | $ 472,000 | $ 472,000 |  |  |
Merger date |  |  |  | Apr. 20, 2017 |  |
Total fair value of the consideration transferred |  | $ 1,511,396 |  |  |  |
Number of drilling rigs acquired | Rigs |  | 91 |  |  |  |
Number of horsepower of fracturing equipment | hp |  | 500,000 |  |  |  |
Goodwill |  | $ 436,554 |  |  |  |
Merger and integration related costs |  |  |  |  |  | $ 36,700
Seventy Seven Energy Inc. | Contract Drilling |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | 309,000 |  |  |  |
Seventy Seven Energy Inc. | Pressure Pumping |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | 121,000 |  |  |  |
Seventy Seven Energy Inc. | Oilfield Rentals |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | $ 6,300 |  |  |  |
Seventy Seven Energy Inc. | APEX Class Rigs |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Number of rigs | Rigs |  | 36 |  |  |  |
MS Directional |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Shares of common stock exchange in business acquisition | shares | 8,798 |  |  |  |  |
Repayment of outstanding debt | $ 63,000 |  |  |  |  |
Merger date |  |  |  | Oct. 11, 2017 |  |
Total fair value of the consideration transferred | 257,275 |  |  |  |  |
Goodwill | 89,685 |  |  |  |  |
Aggregate consideration paid by the company | 69,800 |  |  |  |  |
Business acquisition, description of acquired entity |  |  |  | MS Directional is a leading directional drilling services company in the United States, with operations in most major producing onshore oil and gas basins. MS Directional provides a comprehensive suite of directional drilling services, including directional drilling, downhole performance motors, measurement-while-drilling, and wireline steering tools. |  |
Increase in goodwill due to measurement period adjustments | $ 1,000 |  |  |  |  |

X
- Definition Business acquisition number of drilling rigs acquired. + References No definition available. + Details
Name: | pten_BusinessAcquisitionNumberOfDrillingRigsAcquired
Namespace Prefix: | pten_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Increase in goodwill due to measurement period adjustments. + References No definition available. + Details
Name: | pten_IncreaseInGoodwillDueToMeasurementPeriodAdjustments
Namespace Prefix: | pten_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of horsepower of fracturing equipment. + References No definition available. + Details
Name: | pten_NumberOfHorsepowerOfFracturingEquipment
Namespace Prefix: | pten_
Data Type: | num:powerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of rigs. + References No definition available. + Details
Name: | pten_NumberOfRigs
Namespace Prefix: | pten_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionDescriptionOfAcquiredEntity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e848-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e845-128460 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
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_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_BusinessAcquisitionAxis=pten_SeventySevenEnergyIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=pten_OilfieldRentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=pten_APEXClassRigsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=pten_MSDirectionalLimitedLiabilityCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |