Supplemental Financial Information - Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred contract costs		$ 15,211	$ 20,552
Collateral deposit		11,857	11,857
Prepaid taxes		7,526	10,868
Rig spare parts and supplies		6,981	4,694
Current contract assets	[1]	2,565	2,575
Prepaid Insurance		2,117	3,437
Prepaid rig costs		1,978	3,668
Software maintenance agreements and subscriptions		1,650	1,408
Deferred survey costs		1,386	1,418
Other		6,131	2,935
Total		$ 57,402	$ 63,412

[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.