XML 47 R54.htm IDEA: XBRL DOCUMENT

Revenue from Contracts with Customers - Schedule of Net Contract Liabilities on Uncompleted Construction Projects (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Costs incurred on uncompleted construction contracts	$ 9,885,192	$ 8,656,642
Estimated earnings, thereon	1,349,338	1,172,224
Costs and estimated earnings on uncompleted construction contracts	11,234,530	9,828,866
Less: billings to date	11,641,082	10,188,023
Net billings in excess of costs	$ (406,552)	$ (359,157)