Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jul. 01, 2023
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Vechicle
Jun. 30, 2022
USD ($)
Jan. 01, 2023
USD ($)
Dec. 31, 2022
USD ($)
Long Term Contracts Or Programs Disclosure [Line Items]              
Recognized income associated with revisions to allowance for doubtful accounts   $ 200,000   $ 200,000      
Allowance for doubtful accounts and credit losses   400,000   400,000      
Increase to beginning accumulated deficit   (15,228,000)   (15,228,000)     $ (16,339,000)
ASU 2016-13              
Long Term Contracts Or Programs Disclosure [Line Items]              
Increase to beginning accumulated deficit           $ 600,000  
Minimum              
Long Term Contracts Or Programs Disclosure [Line Items]              
Future repair costs associated with insurance payments received for buildings       500,000      
Maximum              
Long Term Contracts Or Programs Disclosure [Line Items]              
Future repair costs associated with insurance payments received for buildings       $ 1,000,000.0      
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 and heavy rains causing damage to buildings and equipment at our Houma Facilities and resulting in significant debris throughout the facility.      
Insurance payments received       $ 700,000 $ 7,000,000.0    
Gain on interruptions insurance recovery       200,000      
Gain on insurance recovery     $ 3,400,000   3,100,000    
Insurance receivables   $ 1,300,000   $ 1,300,000      
Forty-Vehicle Ferry              
Long Term Contracts Or Programs Disclosure [Line Items]              
Number of vehicle ferry projects with rework and construction challenges. | Vechicle       2      
Projects, percent complete (percentage)   95.00%   95.00%      
Reserve for loss   $ 500,000   $ 500,000      
Change in estimated margins   200,000   200,000      
Seventy-Vehicle Ferry              
Long Term Contracts Or Programs Disclosure [Line Items]              
Reserve for loss   100,000   100,000      
Change in estimated margins   600,000   600,000      
Seventy-Vehicle Ferry | Minimum              
Long Term Contracts Or Programs Disclosure [Line Items]              
Incremental forecast costs   1,500,000          
Seventy-Vehicle Ferry | Maximum              
Long Term Contracts Or Programs Disclosure [Line Items]              
Incremental forecast costs   2,000,000.0          
Remaining Forty-Vehicle Ferry | Hurricane Ida              
Long Term Contracts Or Programs Disclosure [Line Items]              
Total charges related to deductibles   300,000 $ 200,000 300,000 $ 200,000    
Shipyard              
Long Term Contracts Or Programs Disclosure [Line Items]              
Reduction of estimated contract price for liquidated damages, amount   1,700,000   1,700,000     $ 1,400,000
Change in estimated margins   800,000   800,000      
Fabrication | Offshore Jackets Project              
Long Term Contracts Or Programs Disclosure [Line Items]              
Accounts receivable   $ 11,300,000   $ 11,300,000      
Fabrication | Offshore Jackets Project | Subsequent Event              
Long Term Contracts Or Programs Disclosure [Line Items]              
Payments received from accounts receivable $ 1,000,000.0