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Revenue Recognition - Schedule of Net Under (Over) Billings (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]    
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets) $ 40,160 $ 32,679
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities) (6,550) (6,444)
Net under billings $ 33,610 $ 26,235