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Revenues - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Accounts receivable balances | $ 473,153 |  | $ 473,153 |  | $ 356,083
Total revenues | 622,238 | $ 291,774 | 1,131,613 | $ 532,703 |
Contract Drilling |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenue, Remaining Performance Obligation, Amount | $ 440,000 |  | $ 440,000 |  |
Revenue Remaining Performance Obligation Percentage | 24.00% |  | 24.00% |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | Jun. 30, 2023 |  | Jun. 30, 2023 |  |
ASC Topic 606 Revenue from Contracts with Customers |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Accounts receivable balances | $ 466,000 |  | $ 466,000 |  | 352,000
Revenue recognized |  |  | 59,700 |  |
ASC Topic 606 Revenue from Contracts with Customers | Accounts Payable |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total contract liability | $ 3,400 |  | 3,400 |  | $ 60,300
ASC Topic 606 Revenue from Contracts with Customers | Contract Drilling |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Amortized revenue |  |  | $ 0 | $ 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 |  |

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