Property and Equipment - Schedule of Property and equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Less accumulated depreciation	$ (1,025,656)	$ (1,004,825)
Property and equipment, net	1,650,204	1,649,779
Vessels [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,488,355	2,487,322
Buoy and Pipeline [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	15,568	15,568
Finance Lease Right-of-Use Assets [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	40,007	40,007
Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	18,409	18,366
Assets in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 113,521	$ 93,341