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Stock-based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Jun. 08, 2023
May 31, 2023
Apr. 30, 2022
Apr. 30, 2021
May 31, 2020
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Sep. 01, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Compensation expense               $ 750,000  
Compensation expense foregoing limit               $ 1,000,000  
Number of stock option granted           0 0 0  
Outstanding non-vested restricted stock           6,100,000      
The performance goals for the Performance Units are tied to our total shareholder return for the performance period as compared to total shareholder return for a peer group determined by the Compensation Committee. For the performance units granted in April 2021 and April 2022,           The performance goals for the Performance Units are tied to our total shareholder return for the performance period as compared to total shareholder return for a peer group determined by the Compensation Committee. For the performance units granted in April 2021 and April 2022, the peer group includes three market indices and one market index, respectively. The performance goals are considered to be market conditions under the relevant accounting standards and the market conditions were factored into the determination of the fair value of the respective Performance Units. The recipients will receive the target number of shares if our total shareholder return during the performance period, when compared to the peer group, is at the 55th percentile. If our total shareholder return during the performance period, when compared to the peer group, is at the 75th percentile or higher, then the recipients will receive two times the target number of shares. If our total shareholder return during the performance period, when compared to the peer group, is at the 25th percentile, then the recipients will only receive one-half of the target number of shares. If our total shareholder return during the performance period, when compared to the peer group, is between the 25th and 55th percentile, or the 55th and 75th percentile, then the shares to be received by the recipients will be determined using linear interpolation for levels of achievement between these points.      
Options outstanding           2,865,223 2,905,150    
Other Liabilities           $ 6,200      
Employee Stock Option [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Options outstanding, aggregate intrinsic value           $ 0      
weighted-average remaining contractual term           1 year 8 months 8 days      
Performance Shares [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Performance period           3 years      
Unrecognized compensation cost           $ 11,100      
Weighted-average remaining vesting period           1 year 1 month 17 days      
Performance Shares [Member] | 2018                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Compensation expense               $ 667  
Shares issued       621,400          
Performance Shares [Member] | 2019                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Compensation expense             $ 830 3,319  
Shares issued     979,600            
Performance Shares [Member] | 2020                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Compensation expense           $ 69 $ 275 $ 275  
Shares issued   1,001,000              
Phantom Share Units (PSUs) [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
The performance goals for the Performance Units are tied to our total shareholder return for the performance period as compared to total shareholder return for a peer group determined by the Compensation Committee. For the performance units granted in April 2021 and April 2022,         William A. Hendricks, Jr. (the “Phantom Units”). The Phantom Units were granted outside of the 2014 Plan. Pursuant to this phantom unit grant, Mr. Hendricks could earn from 0% to 200% of a target award of 298,500 phantom units based on our achievement of the same performance conditions over the same performance period that applied to the Performance Units granted in April 2020. The Phantom Units settled in May 2023, with a cash payment of $7.4 million.        
Grant date fair value   $ 7,400              
Option to Purchase [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Options outstanding           0      
Restricted Stock Units (RSUs)                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Accrued liabilities           $ 2,400      
Share-Based Payment Arrangement, Accelerated Cost           5,000      
Unrecognized compensation cost           $ 51,434      
Weighted-average remaining vesting period           1 year 7 months 17 days      
Maximum [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option term               10 years  
Chief Executive Officer And President [Member] | Phantom Share Units (PSUs) [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Number of units awardable based on performance conditions         298,500        
Chief Executive Officer And President [Member] | Maximum [Member] | Phantom Share Units (PSUs) [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         200.00%        
Chief Executive Officer And President [Member] | Minimum [Member] | Phantom Share Units (PSUs) [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         0.00%        
Two Thousand fourteen Long Term Incentive Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares authorized for grant           4,900,000      
Two Thousand fourteen Long Term Incentive Plan | Non Employee Director [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Awards vesting period               1 year  
Two Thousand fourteen Long Term Incentive Plan | Employee [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Awards vesting period               3 years  
Two Thousand Twenty One Long Term Incentive Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Increase in number of shares available for issuance 5,445,000                
Shares authorized for grant           28,963,412     10,000,000
Patterson-UTI Energy, Inc. 2005 Long-Term Incentive Plan, as amended | Non Employee Director [Member] | Employee Stock Option [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Awards vesting period               1 year  
Patterson-UTI Energy, Inc. 2005 Long-Term Incentive Plan, as amended | Employee [Member] | Employee Stock Option [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Awards vesting period               3 years  
NexTier Merger [Member] | Two Thousand fourteen Long Term Incentive Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares authorized for grant           10,000,000