Quarterly report pursuant to Section 13 or 15(d)

Credit Facilities and Debt - Additional Information (Details)

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Credit Facilities and Debt - Additional Information (Details) - USD ($)
3 Months Ended
May 03, 2024
Nov. 06, 2023
Mar. 31, 2024
Mar. 31, 2023
Jun. 30, 2023
Line Of Credit Facility [Line Items]          
Surety bonds     $ 52,500,000    
Debt instrument, interest rate terms   principal and interest payable in 15 equal annual installments      
Percentage of provision required from proceeds received in excess of sale of real estate     50.00%    
Proceeds from sale of real estate required to make provision     $ 8,000,000    
Subsequent Event          
Line Of Credit Facility [Line Items]          
Maturity date Jun. 30, 2026        
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  
Note Agreement          
Line Of Credit Facility [Line Items]          
Stated interest rate (percentage)     2.90%    
Short-term premium finance     $ 13,000,000    
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       $ 1,000,000  
Promissory Note | Note Agreement          
Line Of Credit Facility [Line Items]          
Stated interest rate (percentage)   3.00%      
Debt instrument, issued, principal   $ 20,000,000      
Debt instrument, periodic payment   $ 1,700,000      
Debt instrument, frequency of periodic payment   15      
Debt instrument, maturity date, start   Dec. 31, 2024      
Debt instrument, maturity date, end   Dec. 31, 2038      
Ferry Projects          
Line Of Credit Facility [Line Items]          
Surety bonds subject to dispute     $ 45,600,000    
Fabrication          
Line Of Credit Facility [Line Items]          
Surety bonds subject to dispute     6,900,000    
Maximum          
Line Of Credit Facility [Line Items]          
Letter of credit facility     $ 10,000,000    
LC Facility          
Line Of Credit Facility [Line Items]          
Fees on undrawn borrowings (percentage)     0.40%    
Total outstanding letters of credit     $ 1,500,000    
Letter of Credit          
Line Of Credit Facility [Line Items]          
Stated interest rate (percentage)         1.50%