Equipment Acquisitions and Dispositions - Additional Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($) Equipment Vessel	Jun. 30, 2023 USD ($) Liftboat Vessel
Property Plant And Equipment [Line Items]
Number of equipment deliveries | Equipment	0
Proceeds from disposition of property and equipment	$ 86	$ 8,038
Platform Supply Vessels
Property Plant And Equipment [Line Items]
Payments to acquire property, plant, and equipment, including fair value hedges	$ 4,100
Vessel
Property Plant And Equipment [Line Items]
Number of equipment sold | Vessel	0
Liftboat
Property Plant And Equipment [Line Items]
Number of equipment sold, classified as held for sale | Liftboat		3
Specialty Vessel
Property Plant And Equipment [Line Items]
Number of equipment sold, classified as held for sale | Vessel		1
Platform Supply Vessels And Fast Support Vessels
Property Plant And Equipment [Line Items]
Proceeds from disposition of property and equipment	$ 100	$ 8,000
Gain (loss) on disposition of property, plant and equipment		$ 2,900