XML 70 R61.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Stock-based Compensation - Performance Units (Detail) | 9 Months Ended
--- | ---
Sep. 30, 2022 shares
2021 |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Target number of shares | 843,000
2022 |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Target number of shares | 414,000
2020 |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Target number of shares | 500,500
2019 |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Target number of shares | 489,800
2018 |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Target number of shares | 310,700

X
- Definition Performance award target number of shares. + References No definition available. + Details
Name: | pten_PerformanceAwardTargetNumberOfShares
Namespace Prefix: | pten_
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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardDateAxis=pten_YearTwentyTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=pten_YearTwentyTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=pten_YearTwentyTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=pten_YearTwentyNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=pten_YearTwentyEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |