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+ Details

Related Party Transaction (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Mar. 10, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party
Contract revenues		$ 160,672	$ 159,174
Dragados/Hawaiian Dredging/Orion Joint Venture \| US Navy
Related Party
Contract awarded	$ 2,800,000
Dragados/Hawaiian Dredging/Orion Joint Venture
Related Party
Contract awarded	$ 435,400
Contract revenues		$ 38,000		$ 90,500