Supplemental Financial Information - Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands		Jun. 30, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Current income tax asset		$ 85,266	$ 0
Prepaid taxes		19,463	16,922
Deferred contract costs		9,782	14,373
Prepaid Insurance		6,335	3,022
Rig spare parts and supplies		4,221	5,091
Prepaid rig costs		1,332	4,001
Current contract assets	[1]	2,121	141
Software maintenance agreements and subscriptions		1,910	1,212
Deferred survey costs		1,162	838
Other		5,881	3,095
Change in prepaid expenses and other current assets		$ 137,473	$ 48,695

[1] Contract assets and contract liabilities may reflect balances which have been netted together on a contract basis. Net current contract asset and liability balances are included in “Prepaid expenses and other current assets” and “Accrued liabilities,” respectively, and net noncurrent contract liability balances are included in “Other liabilities” in our unaudited Condensed Consolidated Balance Sheets.