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Revenue Recognition - Schedule of Cost and Estimated Earnings on Uncompleted Contracts (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]    
Costs incurred on uncompleted contracts $ 222,594 $ 206,050
Estimated earnings 103,461 106,163
Total 326,055 312,213
Less: Billings to date 292,445 285,978
Net under billings $ 33,610 $ 26,235