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Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow

The following table summarizes the changes in the components of operating assets and liabilities:

			Years Ended December 31,
			2020						2019						2018
Accounts receivable			$	(8,552)					$	(10,089)					$	(7,203)
Contracts in progress, net			65,963						(5,188)						(8,288)
Receivables from and equity in construction joint ventures			(7,457)						1,524						659
Other current and non-current assets			(7,861)						43						924
Accounts payable			(42,392)						10,987						1,969
Accrued compensation and other liabilities			8,260						(839)						(4,038)
Members' interest subject to mandatory redemption and undistributed earnings			2,287						(340)						1,957
Changes in operating assets and liabilities			$	10,248					$	(3,902)					$	(14,020)

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