Revenues - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Accounts receivable balances	$ 377,572		$ 356,083
Total revenues	509,375	$ 240,929
ASC Topic 606 Revenue from Contracts with Customers
Disaggregation Of Revenue [Line Items]
Accounts receivable balances	374,000		352,000
Revenue recognized	51,400
ASC Topic 606 Revenue from Contracts with Customers | Accounts Payable
Disaggregation Of Revenue [Line Items]
Total contract liability	13,400		$ 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