Quarterly report pursuant to Section 13 or 15(d)

Credit Facilities and Debt - Additional Information (Details)

v3.23.2
Credit Facilities and Debt - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
May 05, 2023
Mar. 31, 2023
Jun. 30, 2023
Jun. 30, 2022
Line Of Credit Facility [Line Items]        
Maturity date Jun. 30, 2024      
Surety bonds     $ 110,900,000  
Surety bonds subject to dispute     50,000,000.0  
Surety bonds relates to Active Retained Shipyard Contracts     $ 45,600,000  
Short-term Premium Finance Arrangement        
Line Of Credit Facility [Line Items]        
Stated interest rate (percentage)   4.30%    
Short-term premium finance   $ 2,400,000    
Short-term premium finance, Number of installment   payable in ten equal monthly installments through March 2023    
General Liability Arrangement        
Line Of Credit Facility [Line Items]        
Stated interest rate (percentage)     6.60%  
Short-term premium finance     $ 500,000  
Short-term premium finance, Number of installment     payable in eight equal monthly installments through August 2023  
Insurance Finance and General Liability Arrangements        
Line Of Credit Facility [Line Items]        
Principal payments     $ 1,100,000 $ 200,000
Remaining principal balance     100,000  
Fabrication        
Line Of Credit Facility [Line Items]        
Surety bonds subject to dispute     $ 15,300,000  
Maximum        
Line Of Credit Facility [Line Items]        
Letter of credit facility $ 20,000,000.0      
Minimum        
Line Of Credit Facility [Line Items]        
Letter of credit facility $ 10,000,000.0      
LC Facility        
Line Of Credit Facility [Line Items]        
Fees on undrawn borrowings (percentage)     0.40%  
Total outstanding letters of credit     $ 1,200,000  
Letter of Credit        
Line Of Credit Facility [Line Items]        
Stated interest rate (percentage)     1.50%