XML 46 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Contract Assets and Liabilities - Contracts in process (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]    
Costs and estimated earnings on uncompleted contracts $ 4,153,142 $ 4,130,621
Less: billings to date 4,175,484 4,162,133
Net asset position for contracts in process $ (22,342) $ (31,512)