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Revenues - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation Of Revenue [Line Items] |  |  |
Accounts receivable balances | $ 565,520,000 | $ 356,083,000 |
revenue | 59,700,000 |  |
Increased contract liabilities due to customer payments | 87,500,000 |  |
Revenue, Remaining Performance Obligation, Amount | $ 830,000,000 |  |
Revenue, Remaining Performance Obligation, Percentage | 32.00% |  |
Total revenues | $ 2,647,592,000 | 1,357,081,000 | $ 1,124,249,000
Accrued Liabilities |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total contract liability | $ 147,800,000 |  |
Contract Drilling |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction | Dec. 31, 2023 |  |
ASC Topic 606 Revenue from Contracts with Customers |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Accounts receivable balances | $ 561,000,000 | 352,000,000 |
Total contract liability | 110,200,000 |  |
Contract with Customer, Liability, Noncurrent | 37,600,000 |  |
ASC Topic 606 Revenue from Contracts with Customers | Accrued Liabilities |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total contract liability |  | 60,300,000 |
ASC Topic 606 Revenue from Contracts with Customers | Contract Drilling |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Amortized revenue | $ 1,400,000 | $ 0 |
Minimum |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Accounts receivable payment terms | 30 days |  |
Maximum |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Accounts receivable payment terms | 60 days |  |

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