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Revenues - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Disaggregation Of Revenue [Line Items]      
Accounts receivable balances $ 493,038   $ 565,520
Total revenues 791,802 $ 509,375  
Revenue recognized 81,300    
Revenue, Remaining Performance Obligation, Amount $ 890,000    
Revenue Remaining Performance Obligation Percentage 26.00%    
Accrued Liabilities      
Disaggregation Of Revenue [Line Items]      
Total contract liability $ 67,900    
Contract Drilling      
Disaggregation Of Revenue [Line Items]      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Mar. 31, 2024    
ASC Topic 606 Revenue from Contracts with Customers      
Disaggregation Of Revenue [Line Items]      
Accounts receivable balances $ 489,000   561,000
Total contract liability 34,100    
Contract with Customer, Liability, Noncurrent $ 33,800    
ASC Topic 606 Revenue from Contracts with Customers | Accrued Liabilities      
Disaggregation Of Revenue [Line Items]      
Total contract liability     $ 147,800
Maximum      
Disaggregation Of Revenue [Line Items]      
Accounts receivable payment terms 60 days    
Minimum      
Disaggregation Of Revenue [Line Items]      
Accounts receivable payment terms 30 days