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Acquisitions - Additional Information (Detail)
 3 Months Ended 9 Months Ended
Oct. 11, 2017
USD ($)
shares
Apr. 20, 2017
USD ($)
Rigs
hp
shares
Sep. 30, 2017
USD ($)
Sep. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Business Acquisition [Line Items]          
Merger and integration related costs     $ 9,449,000 $ 65,798,000  
Seventy Seven Energy Inc.          
Business Acquisition [Line Items]          
Shares of common stock exchange in business acquisition | shares   46,298,000      
Repayment of outstanding debt   $ 472,000,000      
Merger date       Apr. 20, 2017  
Total fair value of the consideration transferred   $ 1,511,396,000      
Number of drilling rigs acquired | Rigs   91      
Number of horsepower of modern, efficient fracturing equipment | hp   500,000      
Goodwill deductible for tax purposes   $ 0      
Merger and integration related costs       $ 36,700,000  
Assets acquired and liabilities assumed, total assets   1,236,166,000      
Assets acquired and liabilities assumed, accounts receivable   149,598,000      
Assets acquired and liabilities assumed, inventory   8,036,000      
Assets acquired and liabilities assumed, property and equipment   984,430,000      
Assets acquired and liabilities assumed, other assets   $ 14,546,000      
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 8,798,391        
Merger date       Oct. 11, 2017  
Total fair value of the consideration transferred $ 262,000,000        
Aggregate consideration to be paid by the company $ 75,000,000        
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, directional surveying, measurement while drilling, and wireline steering tools.  
Assets acquired and liabilities assumed, total assets         $ 104,000,000
Assets acquired and liabilities assumed, accounts receivable         21,400,000
Assets acquired and liabilities assumed, inventory         23,900,000
Assets acquired and liabilities assumed, property and equipment         53,800,000
Assets acquired and liabilities assumed, other assets         $ 4,900,000