Property and Equipment - Schedule of Property and Equipment, at Cost (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 6,795,699	$ 4,591,936
Drilling equipment and facilities
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	6,567,828	4,338,229
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	170,696	210,759
Other
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 57,175	$ 42,948