Quarterly report pursuant to Section 13 or 15(d)

Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details)

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Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
Vechicle
Long Term Contracts Or Programs Disclosure [Line Items]        
Reduction of estimated contract price for liquidated damages, amount $ 1,300   $ 1,200  
Asset impairments   $ 22,750    
Hurricane Ida        
Long Term Contracts Or Programs Disclosure [Line Items]        
Date of landfall Aug. 29, 2021      
Impact of Hurricane Ida, description On August 29, 2021, Hurricane Ida made landfall near Houma, Louisiana as a high-end Category 4 hurricane, with high winds, heavy rains and storm surge causing significant damage and power outages throughout the region. Our Houma Facilities did not experience significant flood damage; however, the high winds and heavy rain damaged multiple buildings and equipment and resulted in significant debris throughout the facility.      
Asset impairments     $ 500  
Costs associated with clean-up and restoration efforts $ 1,900      
Charges associated with deductibles and estimated unrecoverable amounts 300      
Recorded insurance recoveries 1,600      
Total insurance receivables 2,700      
Advance payment from insurance carriers (1,000)      
Fabrication        
Long Term Contracts Or Programs Disclosure [Line Items]        
Change in estimated margins   600    
Shipyard        
Long Term Contracts Or Programs Disclosure [Line Items]        
Change in estimated margins   700    
Second Forty-Vehicle Ferry        
Long Term Contracts Or Programs Disclosure [Line Items]        
Deductible associated with insurance coverage for incident 100      
Current estimate of costs to repair damage 400      
Second Forty-Vehicle Ferry | Hurricane Ida        
Long Term Contracts Or Programs Disclosure [Line Items]        
Total charges related to deductibles 100      
Second Forty-Vehicle Ferry | Hurricane Ida | Minimum        
Long Term Contracts Or Programs Disclosure [Line Items]        
Charges related to deductibles with insurance coverages 500      
Second Forty-Vehicle Ferry | Hurricane Ida | Maximum        
Long Term Contracts Or Programs Disclosure [Line Items]        
Charges related to deductibles with insurance coverages 1,000      
Forty-Vehicle Ferry        
Long Term Contracts Or Programs Disclosure [Line Items]        
Number of vehicle ferry projects with rework and construction challenges. | Vechicle       2
Reserve for loss $ 2,200      
Forty-Vehicle Ferry Vessel Two        
Long Term Contracts Or Programs Disclosure [Line Items]        
Projects, percent complete (percentage) 96.00%      
Forty-Vehicle Ferry Vessel One        
Long Term Contracts Or Programs Disclosure [Line Items]        
Projects, percent complete (percentage) 77.00%      
Offshore Facility Modules        
Long Term Contracts Or Programs Disclosure [Line Items]        
Change in estimated margins   $ 600    
Seventy-Vehicle Ferry        
Long Term Contracts Or Programs Disclosure [Line Items]        
Projects, percent complete (percentage)   65.00%    
Reserve for loss   $ 600    
Change in estimated margins   $ 700