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Summary of Significant Accounting Principles - Property and Equipment (Details)
3 Months Ended 9 Months Ended
Dec. 31, 2023
USD ($)
Asset
Sep. 30, 2023
Asset
Dec. 31, 2024
USD ($)
Property and Equipment      
Assets classified as held-for-sale | $ $ 0   $ 0
Infinite-lived intangible assets      
Number of infinite-lived intangible assets   1  
Number of infinite-lived intangible assets fully impaired during the period 1    
Leases      
Lease, Practical Expedient, Lessor Single Lease Component     true
Equipment improvement | Minimum      
Property and Equipment      
Property and equipment useful life     3 years
Equipment improvement | Maximum      
Property and Equipment      
Property and equipment useful life     10 years
Automobiles and trucks | Minimum      
Property and Equipment      
Property and equipment useful life     3 years
Automobiles and trucks | Maximum      
Property and Equipment      
Property and equipment useful life     10 years
Building and improvements | Minimum      
Property and Equipment      
Property and equipment useful life     10 years
Building and improvements | Maximum      
Property and Equipment      
Property and equipment useful life     30 years
Construction equipment | Minimum      
Property and Equipment      
Property and equipment useful life     3 years
Construction equipment | Maximum      
Property and Equipment      
Property and equipment useful life     10 years
Vessels and other equipment | Minimum      
Property and Equipment      
Property and equipment useful life     3 years
Vessels and other equipment | Maximum      
Property and Equipment      
Property and equipment useful life     40 years
Office equipment | Minimum      
Property and Equipment      
Property and equipment useful life     3 years
Office equipment | Maximum      
Property and Equipment      
Property and equipment useful life     5 years
Dry-docking capitalized costs | Minimum      
Property and Equipment      
Property and equipment useful life     3 years
Dry-docking capitalized costs | Maximum      
Property and Equipment      
Property and equipment useful life     7 years