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Revenues - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Disaggregation Of Revenue [Line Items]          
Accounts receivable balances $ 546,436   $ 546,436   $ 356,083
Total revenues 727,503 $ 357,885 1,859,116 $ 890,588  
Contract Drilling          
Disaggregation Of Revenue [Line Items]          
Revenue, Remaining Performance Obligation, Amount $ 710,000   $ 710,000    
Revenue Remaining Performance Obligation Percentage 32.00%   32.00%    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Sep. 30, 2023   Sep. 30, 2023    
ASC Topic 606 Revenue from Contracts with Customers          
Disaggregation Of Revenue [Line Items]          
Accounts receivable balances $ 541,000   $ 541,000   352,000
Total contract liability 8,500   8,500    
Contract with Customer, Liability, Noncurrent 40,300   40,300    
Revenue recognized     59,700    
ASC Topic 606 Revenue from Contracts with Customers | Accounts Payable          
Disaggregation Of Revenue [Line Items]          
Total contract liability $ 48,800   48,800   $ 60,300
ASC Topic 606 Revenue from Contracts with Customers | Contract Drilling          
Disaggregation Of Revenue [Line Items]          
Amortized revenue     $ 600 $ 0  
Maximum          
Disaggregation Of Revenue [Line Items]          
Accounts receivable payment terms     60 days    
Minimum          
Disaggregation Of Revenue [Line Items]          
Accounts receivable payment terms     30 days