Quarterly report pursuant to Section 13 or 15(d)

Credit Facilities - Additional Information (Details)

v3.23.1
Credit Facilities - Additional Information (Details) - USD ($)
3 Months Ended
May 05, 2023
Mar. 31, 2023
Line Of Credit Facility [Line Items]    
Stated interest rate (percentage)   6.60%
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   $ 500,000
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, with
Principal payments   $ 1,000,000.0
Remaining principal balance   300,000
Fabrication    
Line Of Credit Facility [Line Items]    
Surety bonds subject to dispute   $ 15,300,000
Subsequent Event    
Line Of Credit Facility [Line Items]    
Maturity date Jun. 30, 2024  
Subsequent Event | Maximum    
Line Of Credit Facility [Line Items]    
Letter of credit facility $ 20,000,000.0  
Subsequent Event | 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%