Stock-based Compensation - Share-Based Compensation Plans (Detail) - shares	Dec. 31, 2022	Jun. 03, 2021
Two Thousand Twenty One Long Term Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares authorized for grant	13,467,480	13,500,000
Shares Underlying Awards Outstanding	3,851,825
Shares available for grant	3,689,156
Two Thousand fourteen Long Term Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares authorized for grant	0	4,900,000
Shares Underlying Awards Outstanding	3,588,486
Shares available for grant	0
Patterson-UTI Energy, Inc. 2005 Long-Term Incentive Plan, as amended
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares authorized for grant	0
Shares Underlying Awards Outstanding	672,500
Shares available for grant	0

Share Based Compensation Arrangement By Share Based Payment Award Number of Shares Outstanding

No definition available.

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- 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.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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