Business Segment Information - Revenue By Geographic Location (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Segment Information
Net revenues	$ 1,358,560	$ 1,289,728	$ 873,100
United States
Business Segment Information
Net revenues	542,860	644,755	447,205
North Sea
Business Segment Information
Net revenues	249,968	274,745	206,647
United Kingdom
Business Segment Information
Net revenues	181,800	236,200	167,000
Brazil
Business Segment Information
Net revenues	185,538	177,070	81,940
Asia Pacific
Business Segment Information
Net revenues	222,119	163,957	43,648
West Africa
Business Segment Information
Net revenues	71,960	8,423	87,488
Other
Business Segment Information
Net revenues	$ 86,115	$ 20,778	$ 6,172