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Contracts in Progress - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Contract assets $ 28,529 $ 32,271
Costs And Estimated Earnings In Excess Of Billings On Uncompleted Contracts    
Unbilled contract claims and change orders    
Claims and unapproved change orders $ 3,800 $ 3,100