Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

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Commitments and Contingencies - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 19, 2018
USD ($)
Sep. 30, 2023
USD ($)
Mar. 31, 2018
Vessel
Loss Contingencies [Line Items]      
Number of multi-purpose service vessels | Vessel     2
Litigation charge   $ 32.5  
Non-cash litigation charge associated with write-off of net contract asset   12.5  
Litigation charge associated with recording liability   $ 20.0  
Surety Bond      
Loss Contingencies [Line Items]      
Claims under performance bonds issued $ 50.0